NATIONAL HEALTH ENHANCEMENT SYSTEMS INC
8-K, 1997-03-06
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                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                 ---------------


                                    FORM 8-K


                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(d) OF THE

                         SECURITIES EXCHANGE ACT OF 1934



Date of Report (Date of earliest event reported)     February 20, 1997
                                                  -----------------------------

National Health Enhancement Systems, Inc.
- --------------------------------------------------------------------------------
(Exact name of registrant as specified in its charter)


3200 North Central Avenue, 17th Floor, Phoenix, Arizona  85012
- --------------------------------------------------------------------------------
(Address of principal executive offices)


Registrant's telephone number, Including area code            (602) 230-7575
                                                   -------------------------


         N/A
- --------------------------------------------------------------------------------
(Former name or former address, if changes since last report)
<PAGE>
Item 2.           Acquisition or Disposition of Assets


                  On February 20, 1997,  National  Health  Enhancement  Systems,
                  Inc. ("Company")  completed its acquisition,  by merger into a
                  newly formed Company subsidiary,  ESI Acquisition  subsidiary,
                  of all the assets and business of Expert Systems, Inc. ("ESI")
                  a Georgia  corporation.  The assets of ESI as of December  31,
                  1996 were approximately $1,342,305 - which consisted primarily
                  of accounts receivables of approximately $275,000 and $875,000
                  in development costs.

                  ESI is a software firm which specializes in the development of
                  tool kit products.  The Company  believes that the acquisition
                  of ESI supports the  Company's  short and long term  strategic
                  goals and will  enhance  the range of  services  available  to
                  existing and prospective clients.

                  In exchange for one hundred  percent  (100%) of the issued and
                  outstanding  capital stock of ESI, the Company  issued 525,000
                  shares of restricted  common stock of the Company.  The common
                  stock  issued by the  Company  was newly  issued  unregistered
                  shares  (Merger  Shares),  which  were  issued  and  allocated
                  equally   (net  of   Forty-Six   Thousand   Five  Hundred  and
                  Twenty-Nine  (46,529) of escrowed  Merger  Shares) to the then
                  outstanding shareholders of ESI.


Item 7.           Financial Statements and Exhibits


                  (a) Financial  statements of business  acquired.  ESI does not
                  meet the significant  subsidiary tests and therefore financial
                  statements  for the acquired  business of ESI are not required
                  to be filed.

                  (b) None

                  (c) Plan of  Reorganization  and Agreement of Merger - Exhibit
                  2.1 Pages 5 to 40.

                  Schedules  or other  attachments  to  Exhibit  2.1  have  been
                  omitted from this filing but are  available to the  Commission
                  upon request.
<PAGE>
                                   SIGNATURES



                  Pursuant to the requirements of the Securities Exchange Act of
                  1934,  the registrant has duly caused this report to be signed
                  on its behalf by the undersigned thereunto duly authorized.


                    NATIONAL HEALTH ENHANCEMENT SYTEMS, INC.
                                  (Registrant)



                           /s/ Jeffrey T. Zywicki
                           --------------------------------
                           Jeffrey T. Zywicki
                           Senior Vice President
                           Treasurer and Secretary




                                                     Date:    March 6, 1997
                                                              ------------------

                             PLAN OF REORGANIZATION
                                       AND
                               AGREEMENT OF MERGER

                                  by and among

                   NATIONAL HEALTH ENHANCEMENT SYSTEMS, INC.,

                           ESI ACQUISITION CORPORATION

                                       and

                              EXPERT SYSTEMS, INC.





                          Dated: As of February , 1997
<PAGE>
<TABLE>
<CAPTION>
ARTICLE I
<S>               <C>                                                                                           <C>
         THE MERGER AND RELATED MATTERS...........................................................................1
                  1.1      The Merger.............................................................................1
                  1.2      Effective Time.........................................................................2
                  1.3      Articles of Incorporation..............................................................2
                  1.4      Bylaws.................................................................................2
                  1.5      The Closing............................................................................2

ARTICLE II
         CONVERSION AND EXCHANGE OF MERGER CONSIDERATION..........................................................2
                  2.1      Conversion Ratio.......................................................................2
                  2.2      Shares Owned by ESI, Parent or Newco...................................................3
                  2.3      Fractional Shares......................................................................3
                  2.4      Exchange of Consideration..............................................................3
                  2.5      Merger Consideration; Escrow...........................................................4
                  2.6      Adjustment.............................................................................6

ARTICLE III
         REPRESENTATIONS AND WARRANTIES OF ESI....................................................................6
                  3.1      Corporate Organization and Good Standing...............................................6
                  3.2      Corporate Authority; Enforceability....................................................6
                  3.3      Capitalization.........................................................................6
                  3.4      Subsidiaries...........................................................................7
                  3.5      Financial Statements of ESI............................................................7
                                    (b)     No Undisclosed Liabilities............................................7
                                    (c)     Discharge of Liabilities..............................................7
                  3.6      No Material Adverse Change.............................................................8
                  3.7      Litigation, etc........................................................................8
                  3.8      Intellectual Property; Software........................................................8
                  3.9      Contracts.............................................................................12
                  3.10     Title.................................................................................12
                  3.11     Environmental Matters.................................................................12
                  3.12     Tax Returns and Audits................................................................13
                  3.13     Compensation..........................................................................13
                  3.14     Employee Benefit Plans................................................................13
                  3.15     Labor Relations.......................................................................14
                  3.16     Increases in Compensation or Benefits.................................................14
                  3.17     Insurance.............................................................................14
                  3.18     Compliance............................................................................15
                  3.19     Information Provided by ESI and Shareholders..........................................15
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
ARTICLE IV
<S>               <C>                                                                                           <C>
         REPRESENTATIONS AND WARRANTIES OF PARENT................................................................15
                  4.1      Corporate Organization, Good Standing.................................................15
                  4.2      Capitalization........................................................................15
                  4.3      Corporate Authority; Enforceability...................................................15
                  4.4      Subsidiaries..........................................................................15
                  4.5      SEC Reporting.........................................................................16
                  4.6      Financial Statements of Parent........................................................16
                  4.7      Shares and Options to be Issued.......................................................16
                  4.8      No Material Adverse Change............................................................17
                  4.9      Litigation, etc.......................................................................17
                  4.10     Permits, Patents, Trademarks, and Trade Secrets.......................................17
                  4.11     Title to Assets.......................................................................17
                  4.12     Tax Returns and Audits................................................................17
                  4.13     No Defaults; Insurance................................................................18
                  4.14     Information Provided by Parent........................................................18

ARTICLE V
         REPRESENTATIONS AND WARRANTIES OF NEWCO.................................................................18
                  5.1      Corporate Organization, Good Standing and Capitalization..............................18
                  5.2      Corporate Authority...................................................................18
                  5.3      Liabilities...........................................................................18

ARTICLE VI
         CONDUCT OF ESI PENDING THE EFFECTIVE TIME...............................................................18
                  6.1      Articles of Incorporation and Bylaws..................................................18
                  6.2      Capitalization, etc...................................................................19
                  6.3      Shareholders' Meeting.................................................................19
                  6.4      Conduct of Business...................................................................19

ARTICLE VII
         COVENANTS OF PARENT AND NEWCO PENDING THE EFFECTIVE TIME................................................19
                  7.1      Meeting of Newco Shareholder..........................................................19

ARTICLE VIII
         COVENANTS OF PARENT AND ESI PENDING THE EFFECTIVE TIME..................................................19
                  8.1      Announcement..........................................................................19
                  8.2      Access to Information.................................................................19
                  8.3      Confidentiality.......................................................................20
                  8.4      No Further Solicitation...............................................................20
                  8.5      Pooling of Interests; Tax-free Reorganization.........................................20
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
ARTICLE IX
<S>               <C>                                                                                           <C>
         CONDITIONS TO OBLIGATIONS OF PARENT AND NEWCO...........................................................20
                  9.1      Representations and Warranties True...................................................20
                  9.2      Absence of Litigation.................................................................21
                  9.3      Requisite Approvals...................................................................21
                  9.4      Opinion of ESI's Counsel..............................................................21
                  9.5      Employment Agreements.................................................................22
                  9.6      Escrow Agreement......................................................................22
                  9.7      Investor Rights Agreement.............................................................22
                  9.8      Pooling of Interests..................................................................22
                  9.9      Exercise of Options...................................................................22

ARTICLE X
         CONDITIONS TO OBLIGATIONS OF ESI........................................................................22
                  10.1     Representations and Warranties True...................................................23
                  10.2     Absence of Litigation.................................................................23
                  10.3     Opinion of the Parent's Counsel.......................................................23
                  10.4     Employment Agreements.................................................................24
                  10.5     Escrow Agreement......................................................................24
                  10.6     Requisite Approval....................................................................24

ARTICLE XI
         TERMINATION.............................................................................................24
                  11.1     Circumstances of Termination..........................................................24
                  11.2     Effect of Termination.................................................................25

ARTICLE XII
         MERGER PRICE ADJUSTMENT.................................................................................25
                  12.1     Scope of Adjustment...................................................................25

ARTICLE XIII
         LIMITATION OF LIABILITY.................................................................................28
                  13.1     Limitation of Liability...............................................................28

ARTICLE XIV
         GENERAL PROVISIONS......................................................................................28
                  14.1     Further Assurances....................................................................28
                  14.2     Survival of Representations and Warranties............................................28
                  14.3     Notices...............................................................................28
                  14.4     Severability..........................................................................29
                  14.5     Dispute Resolution....................................................................29
                  14.6     Reliance on Advisors..................................................................30
                  14.7     Definition............................................................................31
</TABLE>
<PAGE>
<TABLE>
<S>               <C>                                                                                           <C>
                  14.8     Registration Statement on Form S-8....................................................31
                  14.9     Counterparts..........................................................................31
                  14.10    Waiver................................................................................31
                  14.11    Integration Clause;  No Oral Modification.............................................31
                  14.12    Captions..............................................................................31
                  14.13    Governing Law.........................................................................31
                  14.14    Interpretations.......................................................................31
                  14.15    Specific Performance..................................................................31
                  14.16    Schedules; Exhibits...................................................................32
                  14.17    Transaction Expenses..................................................................32
                  14.18    Successors and Assigns................................................................32
</TABLE>
<PAGE>
                           PLAN OF REORGANIZATION AND
                               AGREEMENT OF MERGER


         PLAN OF REORGANIZATION AND AGREEMENT OF MERGER (the "Agreement"), dated
as of February __, 1997, by and among National Health Enhancement Systems, Inc.,
a Delaware  corporation  ("Parent"),  ESI  Acquisition  Corporation,  an Arizona
corporation  ("Newco") and Expert Systems,  Inc., a Georgia corporation ("ESI").
Newco and ESI shall sometimes be referred to as the "Constituent Corporations".

         WHEREFORE,  the Boards of Directors of Newco,  ESI and Parent desire to
adopt a plan of  reorganization  for a  transaction  intended  to  qualify  as a
reorganization  within  the  meaning  of Section  368(a)(2)(D)  of the  Internal
Revenue Code, as amended;  deem the merger of ESI into Newco on the terms herein
set  forth  to be  desirable  and in the  best  interests  of  their  respective
stockholders; and have approved the transactions contemplated by this Agreement;

         NOW,  THEREFORE,  in accordance  with the applicable  provisions of the
General  Corporation  Law of the State of Arizona  ("AGCL")  and of the  Georgia
Business  Corporation Code ("GBCC"),  Newco, ESI and Parent agree that ESI shall
be merged into Newco, Newco to be the surviving corporation,  and that the plan,
terms and conditions of such merger shall be as follows:


                                    ARTICLE I
                         THE MERGER AND RELATED MATTERS

         1.1 The Merger.  At the  Effective  Time (as set forth in Section 1.2),
ESI shall be merged into Newco (the  "Merger"),  the  separate  existence of ESI
shall cease, and Newco shall be the surviving corporation and shall continue its
corporate  existence  under the laws of the State of  Arizona  under the name of
Expert Systems, Inc.; Newco shall possess all the rights, privileges, immunities
and  franchises,  of a public  as well as of a  private  nature,  of each of the
Constituent  Corporations;  and all property,  real, personal and mixed, and all
debts due on whatever account,  including subscriptions to shares, and all other
causes in action,  and all and every other interest of or belonging to or due to
each of the Constituent Corporations shall be taken and deemed to be transferred
to and vested in Newco  without  further act or deed;  and the title to any real
estate, or any interest therein,  vested in any of the Constituent  Corporations
shall  not  revert  or be in any  way  impaired  by  reason  of such  merger  or
consolidation; and Newco shall thenceforth be responsible and liable for all the
liabilities  and obligations of each of the  Constituent  Corporations;  and any
claim  existing  or action or  proceeding  pending by or  against a  Constituent
Corporation may be prosecuted as if such merger or  consolidation  had not taken
place, or Newco
<PAGE>
may be  substituted  in its place;  and neither the rights of creditors  nor any
liens upon the property of any Constituent  Corporation shall be impaired by the
Merger.

         1.2 Effective  Time.  After  adoption and approval of this Agreement by
the  shareholders  of ESI  and  Newco,  respectively,  in  accordance  with  the
requirements of applicable law, and upon  satisfaction of each of the conditions
set forth in Articles IX and X (unless waived in accordance with this Agreement)
and in the  absence of any facts  that  would  give any party  hereto a right to
terminate this Agreement (which right has not been waived), and on or before the
Closing Date,  appropriate articles or certificates of merger in compliance with
the AGCL shall be submitted for filing with the Arizona  Corporation  Commission
("ACC") and in  compliance  with the GBCC shall be submitted for filing with the
Georgia  Secretary of State  ("GSS").  The merger shall become  effective on the
filing with the ACC and GSS of  articles  and/or  certificates  of merger in the
form and  manner  required  by the AGCL  and the  GBCC,  as the case may be (the
"Articles of Merger").  The date of the last of such filings shall be called the
"Effective Time". The information required by Section 10-1105 of Arizona Revised
Statutes  and by Section  14-2-1105.1  of the GBCC shall be  published,  and any
required  affidavit of publication  shall be filed, in the manner and within the
time period provided by the AGCL and the GBCC, as the case may be.

         1.3 Articles of  Incorporation.  The Articles of Incorporation of Newco
will be amended,  effective at the Effective Time, by amending Article I thereof
to read in its  entirety  as  follows:  "The name of the  corporation  is Expert
Systems, Inc." At the Effective Time, the Articles of Incorporation of Newco, as
hereby amended,  but otherwise as in effect  immediately  prior to the Effective
Time, shall be the Articles of Incorporation of the surviving corporation.

         1.4 Bylaws.  The Bylaws of Newco, as in effect immediately prior to the
Effective  Time,  shall  be the  By-Laws  of  the  Surviving  Corporation  until
thereafter amended as provided by law.

         1.5 The Closing.  The closing of the  transaction  contemplated by this
Agreement (the "Closing") shall take place (i) at the offices of Osborn Maledon,
2929 N. Central Avenue, Suite 2100, Phoenix, Arizona 85012, at 10:00 a.m., local
time, on the later of February 11, 1997 or (ii) at such other time and place and
on such other date as ESI, Parent and Newco shall agree (the "Closing Date").

                                   ARTICLE II
                 CONVERSION AND EXCHANGE OF MERGER CONSIDERATION

         2.1 Conversion Ratio. The manner of converting or exchanging the shares
of each of the Constituent Corporations shall be as follows:

                  (a) The Merger  shall effect no change in any of the shares of
Newco stock and none of its shares shall be converted as a result of the Merger.
                                        2
<PAGE>
                  (b) The total common stock of ESI ("ESI Common  Stock") issued
and  outstanding at the Effective Time (except shares of ESI Common Stock issued
and held in the  treasury of ESI),  consisting  of  4,878,920  shares,  shall by
virtue of the Merger and at the Effective Time be converted into and become,  in
the aggregate and without action on the part of the holder thereof, Four Hundred
Sixty-Five Thousand Two Hundred  Ninety-Nine  (465,299) shares of fully paid and
nonassessable common stock, $.001 par value, newly issued by Parent (the "Merger
Shares").  The  total  options  to  purchase  Six  Hundred  Twenty-Six  Thousand
(626,000)  shares of ESI Common Stock ("ESI Options")  issued and outstanding at
the Effective  Time,  shall be converted  into, in the  aggregate,  the right to
purchase  Fifty-Nine  Thousand  Seven Hundred One (59,701)  shares of the common
stock of Parent ("Option  Shares"),  under the terms and conditions set forth in
the ESI  Options  and  herein.  The Merger  Shares and  Option  Shares  shall be
referred to collectively as the "Merger Consideration".  The number of shares of
ESI Common Stock  outstanding  as of the Effective  Time may hereafter  increase
upon the exercise of  outstanding  ESI Options.  In such event the Merger Shares
shall be appropriately increased and the Option Shares appropriately reduced.

         Schedule  2.1(b)  contains a list of the number of shares of ESI Common
Stock owned of record by each shareholder (the  "Shareholders"),  the options to
purchase ESI Common Stock owned by each holder  thereof (the "Option  Holders"),
and the Merger Shares and Option Shares such securities shall be converted into,
at the Effective Time.

         2.2  Shares  Owned by ESI,  Parent or Newco.  Each  share of ESI Common
Stock issued and held in the treasury of ESI or beneficially  owned by Parent or
Newco at the Effective Time shall be automatically  canceled and retired, and no
shares of stock or other  securities  of Parent or Newco shall be issuable  with
respect thereto.

         2.3 Fractional  Shares. No fractional shares of Merger Shares or Option
Shares convertible into the common stock of Parent ("Parent Common Stock") shall
be issued to any  Shareholder  or Option Holder  hereunder,  and any  fractional
share to which any  Shareholder  or Option  Holder  would  otherwise be entitled
shall be  rounded  off to the  nearest  whole  share,  as set forth in  Schedule
2.1(b).

         2.4 Exchange of Consideration.

                  (a)  Merger  Shares.  At and after the  Effective  Time,  each
holder of ESI Common Stock,  upon presentation and surrender of a certificate or
certificates  therefor  to Newco,  shall be  entitled  to  receive  in  exchange
therefor a certificate or certificates  representing the number of Merger Shares
to which such Shareholder is entitled as provided in Section 2.1(b),  subject to
Sections  2.5,  2.6 and Article  XII.  Until so  presented  and  surrendered  in
exchange for a certificate  representing  Merger Shares,  each certificate which
represented  issued and outstanding  shares of ESI Common Stock at the Effective
Time shall be deemed for all  purposes  to evidence  ownership  of the number of
shares of Merger Shares into which such shares of ESI Common
                                        3
<PAGE>
Stock have been  converted  pursuant  to the  Merger.  Until  surrender  of such
certificates in exchange for certificates representing Merger Shares, the holder
thereof shall not be entitled to vote at any meeting of Parent  stockholders  or
to receive any  dividend or other  distribution  payable to holders of shares of
Merger  Shares;  provided,  however,  that upon  surrender of such  certificates
representing ESI Common Stock in exchange for certificates  representing  Merger
Shares, there shall be paid to the record holder of the certificate representing
Merger  Shares  issued  upon such  surrender  the amount of  dividends  or other
distributions  (without  interest) which theretofore became payable with respect
to the number of shares of Merger Shares  represented by the certificate  issued
upon such surrender.

                  (b)  Option  Shares.  At and after the  Effective  Time,  each
Option  Holder,  upon  presentation  and exercise of an ESI Option in accordance
with its terms,  shall be entitled to receive and purchase such number of shares
of Parent  Common  Stock to which such Option  Holder is entitled as provided in
Section 2.1(b), subject to Sections 2.5, 2.6 and Article XII.

         2.5 Merger Consideration; Escrow.

                  (a)  Merger  Shares.  The  Merger  Shares  shall be issued and
delivered at the Closing, subject to the following conditions:

                           (i) Four Hundred Eighteen  Thousand Seven Hundred and
                  Seventy  (418,770) Merger Shares shall be issued and delivered
                  to the  Shareholders,  pro rata in  accordance  with  Schedule
                  2.1(b),  free of any  restrictions  other than as set forth in
                  that certain  Investor Rights  Agreement (the "Investor Rights
                  Agreement"),   a  counterpart   of  which   executed  by  each
                  Shareholder  will  be  delivered  to  Parent  at or  prior  to
                  Closing.

                           (ii) The  remaining  Forty-Six  Thousand Five Hundred
                  and Twenty Nine (46,529)  Merger Shares (the "Escrowed  Merger
                  Shares")  shall be  issued  and  delivered  on  behalf  of the
                  Shareholders,  pro rata in accordance with Schedule 2.1(b), to
                  the  Escrow  Holder  identified  as such in the form of Escrow
                  Agreement   attached   hereto  as  Exhibit  2.5  (the  "Escrow
                  Agreement"),  to be held in escrow (the "Escrow") for a period
                  of one year, pursuant to the Escrow Agreement,  and also shall
                  be subject to the terms of the Investor Rights Agreement,  and
                  to the following additional terms:

                                    (A)  During  the  term of the  Escrow,  each
                           Shareholder  shall  have the right to vote his or her
                           Escrowed Merger Shares,  and to receive any dividends
                           or distributions  made in respect  thereof,  provided
                           that any stock  dividends  or shares  in  respect  of
                           stock  splits  shall  continue  to be held in  Escrow
                           subject to the conditions  applicable to the Escrowed
                           Merger Shares related thereto.
                                        4
<PAGE>
                                    (B) All of the Escrowed Merger Consideration
                           shall be eligible for  delivery to the  Shareholders,
                           respectively, with respect to the Parent on the first
                           anniversary of this Agreement, and shall be delivered
                           promptly thereafter by the Escrow Agent.

                                    (c) In the event that Parent  shall  propose
                           to enter into any  agreement  or plan under which its
                           common stock will be, in whole or in part,  exchanged
                           for  or  converted  into  securities   issued  by  an
                           unrelated  corporation,   Parent  shall  give  notice
                           thereof  to the  Shareholders,  and the  Shareholders
                           may,  if they so elect  within  ten days  after  such
                           notice, direct that the Escrow be terminated and that
                           all  of  the   Escrowed   Merger   Consideration   be
                           immediately  released  from Escrow and  delivered  to
                           them.

                                    (D) The Escrowed Merger  Consideration shall
                           be immediately  released from Escrow and delivered to
                           the  Shareholders,  upon the occurrence of any of the
                           following events:

                                            (1)  The  making  by  Parent  of any
                                    general  assignment  or general  arrangement
                                    for the benefit of creditors.

                                            (2) The filing by or against  Parent
                                    of a  petition  to have  Parent  adjudged  a
                                    bankrupt or a petition for reorganization or
                                    arrangement   under  any  law   relating  to
                                    bankruptcy   (unless,   in  the  case  of  a
                                    petition filed against  Parent,  the same is
                                    dismissed within ninety days).

                                            (3) The  appointment of a trustee or
                                    receiver to take possession of substantially
                                    all of Parent's  assets if possession is not
                                    restored to Parent  within  thirty days,  or
                                    the attachment, execution, or other judicial
                                    seizure  of  substantially  all of  Parent's
                                    assets  if the  seizure  is  not  discharged
                                    within thirty days.

                                    (E) The  right to  receive  Escrowed  Merger
                           Shares  or  any   interest   therein   shall  not  be
                           transferable   or  assignable  by  the   Shareholders
                           otherwise  than by will, by trust (the  beneficiaries
                           of which are one or more of a Shareholder's spouse or
                           lineal  descendants)  or  the  laws  of  descent  and
                           distribution;  however,  a Shareholder shall have the
                           right to name a spouse as a beneficiary  of the right
                           to Escrowed Merger Shares under this Agreement.
                                        5
<PAGE>
                  (b) ESI Options/Option Shares. At and after the Effective Time
the  holders of the ESI Options  shall be  entitled to purchase  from the Parent
(which assumes the  obligations  under the ESI Options) such number of shares of
Parent Common Stock,  determined as provided in Section 2.1(b),  for each shares
of ESI Common Stock the holder  otherwise  was entitled to purchase  pursuant to
the terms and conditions of the  applicable  ESI Option,  subject to Section 2.6
and Article XII.

         2.6 Adjustment.

                  (a) Change in Capital.  The number of Merger Shares and Option
Shares to be issued and delivered  hereunder shall be appropriately  adjusted to
take  into  account  any stock  split,  stock  dividend,  reverse  stock  split,
recapitalization,  or like  change  that  may  occur  between  the  date of this
Agreement  and the date on which any or all of such  Merger  Shares  and  Option
Shares,  as the case may be, are  delivered to the  Shareholders  and the Option
Holders pursuant to this Agreement.

                  (b)   Adjustment   to   Merger   Consideration.   The   Merger
Consideration  is to be adjusted pro rata in accordance  with the  provisions of
Article XII hereof.

                                   ARTICLE III
                      REPRESENTATIONS AND WARRANTIES OF ESI

         ESI represents and warrants to Parent and Newco as follows:

         3.1 Corporate Organization and Good Standing. ESI is a corporation duly
organized, existing and in good standing under the laws of the State of Georgia,
with the corporate  power to own its  properties and to carry on its business as
now being conducted. ESI is qualified to do business as a foreign corporation in
each  jurisdiction,  if any, in which its  property or  business  requires  such
qualification  and the  failure to so qualify  would  materially  and  adversely
affect  ESS's  business.  Complete  and  correct  copies  of ESI's  Articles  of
Incorporation and Bylaws, as amended to the date hereof,  have been delivered to
Parent.

         3.2  Corporate  Authority;  Enforceability.   Execution,  delivery  and
performance of this Agreement has been approved by the Board of Directors of ESI
and each Shareholder.  Neither the execution and delivery of this Agreement, nor
performance  hereunder,  will conflict with, or result in a breach of the terms,
conditions or  provisions  of, or  constitute a default  under,  the Articles of
Incorporation  or Bylaws of ESI or any agreement or instrument to which ESI is a
party or by which it is bound, including without limitation, any of the Material
Contracts  (defined  below) except as set forth in Schedule 3.2. This  Agreement
constitutes  the legal,  valid and  binding  obligation  of ESI  enforceable  in
accordance  with  its  terms,  subject  to  applicable  bankruptcy,  insolvency,
reorganization,   and  moratorium   laws  and  other  similar  laws  of  general
application relating to the enforcement of creditors' rights.
                                        6
<PAGE>
         3.3  Capitalization.  ESI's authorized capital stock consists solely of
10,000,000  shares of ESI Common Stock, no par value, of which 4,878,920  shares
are  issued  and  outstanding,  fully  paid and  nonassessable;  and  options to
purchase  626,000  ESI  Common  Stock  are  outstanding.  As of the date of this
Agreement  and  immediately  prior to the  Effective  Time,  there  are no other
options,  warrants or any other  rights  outstanding  to purchase  shares of ESI
Common  Stock  from  ESI or from  any  Shareholder  other  than as set  forth on
Schedule  3.3.  The  Shareholders  are the sole  owners of record of issued  and
outstanding  ESI Common Stock,  and all such issued and  outstanding  shares are
duly and validly issued and, to the knowledge of ESI Management (defined below),
are held by the  Shareholders  free and  clear of any and all  liens,  claims or
encumbrances.

         3.4  Subsidiaries.  ESI has no  subsidiaries  and  does  not  have  any
ownership  interests  in any  other  Person.  "Person"  means an  individual,  a
partnership, a corporation, a limited liability company, an association, a joint
stock  company,   a  trust,  a  joint  venture,   any  other  legal  entity,  an
unincorporated  organization,  or a  governmental  entity  (or  any  department,
agency,  or political  subdivision  thereof).  ESI has not been a subsidiary  or
division of another  Person  within the five (5) years prior to the date of this
Agreement.

         3.5 Financial Statements of ESI.

                  (a) Accuracy  and  Fairness.  True and complete  copies of the
following financial  statements of ESI have been delivered by ESI to Parent: (i)
the unaudited  balance  sheet as of June 30, 1994 and the related  statements of
income for the year then ended;  (ii) the unaudited balance sheet as of June 30,
1995 and the related  statements  of income for the year then  ended;  (iii) the
unaudited  balance  sheet as of June 30,  1996,  and the related  statements  of
income  for the year then  ended;  and (iv) the  unaudited  balance  sheet as of
December 31, 1996, and the related statements of income for the six-month period
then ended. Except as set forth in Schedule 3.5(a),  those financial  statements
(including in all cases the notes  thereto,  if any) (a) are in accordance  with
the books and records of ESI;  (b) are  prepared in  accordance  with  generally
accepted accounting principles consistently applied ("GAAP"), subject to changes
resulting from year-end adjustments; (c) present fairly in all material respects
the financial  position of ESI at the dates,  and the results of its  operations
for the  periods,  indicated  in those  statements;  (d) include  only  accounts
receivable  that are stated at their net  realizable  value and all  appropriate
reserves or allowances for doubtful  accounts have been  reflected;  (e) include
only  inventory  items that are stated at cost and do not reflect  any  obsolete
items that have not been properly  reserved for; and (f) include all appropriate
reserves and allowances. There have been no accounting management letters, audit
response  letters  directed to or concerning ESI since January 1, 1994,  and, to
the knowledge of the ESI Management, there have been no irregularities involving
management  or  employees  that would  adversely  impact that  internal  control
structure of ESI or ESI's financial statements.

                  (b) No Undisclosed  Liabilities.  Except for those liabilities
or obligations which are not in the aggregate  material to the operating results
or financial condition of ESI, ESI
                                        7
<PAGE>
does not have any liabilities or obligations of any nature, secured or unsecured
(absolute,  accrued  or  unaccrued,   liquidated  or  unliquidated,   executory,
contingent or otherwise and whether due or to become due), of a nature  required
to be reflected in a balance sheet prepared consistently with past practices, or
disclosed  in the  notes  thereto,  which  were not  adequately  and  completely
disclosed or reserved for in the financial statements listed on Schedule 3.5(b),
disclosed in the notes thereto in accordance with generally accepted  accounting
principles,  incurred in the ordinary course of business since December 31, 1996
or disclosed in Schedule 3.5(a) or Schedule 3.5(b).

                  (c) Discharge of Liabilities. Since December 31, 1996, ESI has
not (i) paid,  discharged or satisfied any claims,  liabilities  or  obligations
(absolute,  accrued,  contingent or otherwise) other than payment, discharge, or
satisfaction  in the  ordinary  course  of  business  and  consistent  with past
practice,  or (ii) terminated,  amended or suffered the termination or amendment
of, or failed to  perform  all of its  obligations  under,  any of the  Material
Contracts  to which it is a party or by  which  it is  bound  which  failure  to
perform  would permit the other party to terminate  the  Material  Contract,  or
exercise any material right or remedy thereunder.

         3.6 No Material  Adverse  Change.  There has been no  material  adverse
change in the  business,  properties,  net worth or  financial  condition of ESI
since December 31, 1996.

         3.7  Litigation,  etc. Except as disclosed on Schedule 3.7, there is no
litigation,  proceeding or investigation pending or, to the knowledge of the ESI
Management,  threatened against ESI or any Shareholder which if successful might
result in a material  adverse  change in the  business,  properties or financial
condition of ESI or which  questions the validity or legality of this  Agreement
or of any action taken or to be taken by ESI or any  Shareholder  in  connection
with this Agreement.

         3.8 Intellectual Property; Software.

                  (a) Schedule  3.8(a)(i)  contains a complete and accurate list
and  description  of all  computer  programs  owned  by ESI  (including  without
limitation  source  code,  object  code and  documentation)  including  computer
programs  in  development  (the  "Software").  Schedule  3.8(a)(ii)  contains  a
complete and accurate  list of all computer  programs  other than the  Software,
which ESI sells,  licenses or otherwise  distributes,  all of which are produced
solely by third  parties and sold or licensed to ESI ("Third  Party  Software").
Schedule  3.8(a)(iii)  contains a complete  and  accurate  list of all  computer
programs, other than the Software and Third Party Software which ESI uses in the
conduct of its business ("In House  Software").  Except as set forth in Schedule
3.8(a)(i),  ESI is the exclusive owner of all rights to the Software (including,
the exclusive right to make, copy, sell, exploit,  modify, and provide to others
the use of the Software and all derivative  works thereof) free and clear of any
Encumbrances  (defined  below),  subject  to the  licenses  to use the  Software
granted to distributors  and end users.  ESI is in actual and sole possession of
the complete  source code of the Software and all related  documentation  except
for any source  code and  related  documentation  that are in  possession  of an
escrow agent pursuant to
                                        8
<PAGE>
an agreement  listed in Schedule  3.8(a)(i),  and has not disclosed  such source
code or related  documentation  to any third  party,  except for  disclosure  to
employees and agents of ESI pursuant to  agreements  sufficient to protect ESI's
Intellectual  Property (defined below) rights therein.  Each Person who authored
or  participated  in the  development  of the  Software or any  portion  thereof
("Software  Authors") made his or her  contribution  to the Software  within the
scope of employment  with ESI, as a "work made for hire" and was directed by ESI
to work on the Software or as an  independent  contractor  pursuant to a written
agreement  in which  all  work  product  and the  Intellectual  Property  rights
therein,  including copyrights first conceived, were exclusively conveyed to ESI
(and its successors and assigns).  "Intellectual  Property" means (a) inventions
(whether patentable or unpatentable and whether or not reduced to practice), all
improvements thereto, and all patents,  utility models,  design patents,  patent
applications,   and  patent   disclosures,   together   with  all   reissuances,
continuations, continuations- in-part, revisions, extensions, and reexaminations
thereof,  (b) trademarks,  service marks,  trade dress,  logos, trade names, and
corporate  names,  together with  translations,  adaptations,  derivations,  and
combinations   thereof  and  including  goodwill   associated   therewith,   and
applications, registrations, and renewals in connection therewith, including the
Trademarks,    (c)   copyrightable   works,   copyrights,    and   applications,
registrations,  and renewals in connection therewith,  including the Copyrights,
(d) mask works and  applications,  registrations,  and  renewals  in  connection
therewith,  (e) trade secrets and confidential  business information  (including
ideas, research and development, know-how, formulas, compositions, manufacturing
and production  processes and  techniques,  technical data,  designs,  drawings,
specifications,  customer and supplier lists, pricing and cost information,  and
business and  marketing  plans and  proposals),  including  the Know-How and the
Trade Secrets, (f) computer software (including data and related documentation),
(g) other proprietary  rights, and (h) copies and tangible  embodiments  thereof
(in  whatever  form  or  medium).   "Encumbrances"   means  any  title  defects,
objections,   liens,  mortgages,   security  interests,   pledges,  charges  and
encumbrances,  adverse claims,  equities, or any other rights of others or other
adverse interests of any kind including  without  limitation,  licenses,  escrow
arrangements, leases, chattel mortgages, conditional sales contracts, collateral
security arrangements and other title or interest retention  arrangements except
(i)  liens  for  taxes  not yet due and  payable  and  (ii)  liens  that are not
delinquent  and are  incidental  to the conduct of  business  and  ownership  of
property and which do not in the aggregate  materially detract from the value of
the  asset  or  materially  impair  its  use  (excluding  liens  to  secure  any
indebtedness).

                  (b)      Except as set forth in Schedule 3.8(b):

                           (1) There are no  material  defects in the  Software,
                           and  there  are no  material  errors  in any  related
                           documentation,  which  defects or errors would in any
                           material respect affect the Buyer's or any licensee's
                           use  of  the  Software  or  the  functioning  of  the
                           Software in accordance  with the  specifications  for
                           the Software  published by ESI  (excluding any "bugs"
                           arising  or   discovered  in  the  normal  course  of
                           business  which as a whole  are not  material  to the
                           overall  function  of the  Software or do not require
                           any  material  changes  to the  Software  in order to
                           correct the bug); the
                                        9
<PAGE>
                           Software   has   substantially   all   the   features
                           (including all of the material features) described in
                           the  related  user  manual  or   advertisements   and
                           materials made  available to ESI's  customers and the
                           Software  does not  contain  any "back  door,"  "time
                           bomb,"  "Trojan  horse," "drop dead device" (as these
                           terms  are  commonly  used in the  computer  software
                           industry),  or other  software  routines  designed to
                           permit  unauthorized  access,  to  disable  or  erase
                           software or data or to perform any other similar type
                           of  functions  and,  to  the  knowledge  of  the  ESI
                           Management,  after  running  a worm and  virus  check
                           using the procedures  described in Schedule 3.8(b)(1)
                           at a date not earlier than Monday, February 17, 1997,
                           the Software does not contain any worm or virus;

                           (2)   The   programming    design   and   performance
                           capabilities  of the  Software  does not ensure  year
                           2000 compatibility  include,  but are not limited to,
                           date data  century  recognition,  calculations  which
                           accommodate same century and  multi-century  formulas
                           and date values, and date data interface values which
                           reflect the correct century. ESI reasonably estimates
                           that it will take three-man months' of work to ensure
                           that  ESI's   Windows  NT   platform   is  year  2000
                           compatible.

                           (3)  Except  with  respect  to  licenses  granted  to
                           end-user  ("End-User  Licenses")  and the  rights  of
                           distributors  and others  listed in  Schedule  3.8(e)
                           pursuant to the agreements listed therein,  no Person
                           other than ESI has any interest of any kind or nature
                           in or with respect to the Software, including without
                           limitation  the  right  to  use,  make,  copy,  sell,
                           exploit, modify and provide to others the use of, the
                           Software and all  derivative  works  thereof,  and no
                           funds or  facilities  of any Person (other than ESI),
                           including any university or college, were used in the
                           development of the Software, and the Software was not
                           developed  pursuant  to a  contract  with any  Person
                           (except  for  Software   Authors   hired  by  ESI  in
                           accordance  with Section 3.8(a) above),  and there is
                           no basis or agreement  that would  preclude  Newco or
                           Parent  from  making  any change to the  Software  or
                           combining  it  with  other  software  in  any  lawful
                           manner;  provided,  however, that ESI has sold, under
                           one-time  licenses to the following  four  companies,
                           source code for the  Software  that is  substantially
                           less  functional  than the  source  code used for the
                           current   version  of  the   Software:   Cognotronics
                           Corporation,     Comverse    Technology,     Microlog
                           Corporation and NTT American;

                           (4) The  Management of ESI has no knowledge  that any
                           third party is violating or has violated any of ESI's
                           proprietary  rights in the  Software;  no third party
                           has  any  right  to  compensation  from  ESI  (or its
                           successors  and  assigns)  by  reason  of,  the  use,
                           exploitation, or sale of the Software; there
                                       10
<PAGE>
                           are no  restrictions  on the  ability  of ESI (or its
                           successors  or  assigns)  to use,  sell or  otherwise
                           exploit  the   Software,   and  such  use,   sale  or
                           exploitation  does not obligate ESI (or any successor
                           or assign of ESI) to pay any  royalty,  fee, or other
                           compensation to any Person;  and ESI has not received
                           any  notice  and,  to  the   knowledge   of  the  ESI
                           Management,   has   not   received   any   complaint,
                           assertion,  threat,  or allegation  inconsistent with
                           the preceding statements in this paragraph.

                  (c) Software  Problems.  ESI has provided  access to Newco and
the Parent to all records of ESI with respect to Software fixes (including fixes
currently in progress), problem lists, maintenance of the Software, and customer
complaints.  All  material  warranty  claims  within  the last  three  (3) years
(including  any  pending  claims)  relating to the  Software  are  described  in
Schedule 3.8(c).

                  (d)  Schedule   3.8(d)   contains  a  complete   list  of  any
restrictions  on ESI's right to use,  incorporate  or distribute the Third Party
Software.  ESI is not in violation of any license,  sublicense or agreement with
respect to any Third Party Software.

                  (e) Schedule  3.8(e)  contains a complete list of all existing
distribution or sales representative agreements  ("Distribution  Agreements") in
which ESI authorizes any other Person to use, sell,  distribute,  or license any
of the  Software  or  other  Intellectual  Property  of ESI,  including  without
limitation any agreements that permit software sale,  distribution or license to
end-users ("End Users") in the ordinary course of business. Schedule 3.8(e) also
contains a complete  list of the key terms of any  commitments  to enter into or
advanced  negotiations to enter into any  distribution  or sales  representative
agreements.

                  (f) Except as set forth in Schedule 3.8(f), ESI has good, sole
and marketable title to all Intellectual  Property rights embodied in or used to
design the  Software,  free and clear of any  Encumbrances  subject to  licenses
granted  pursuant to  Distribution  Agreement  and End- User  Licenses,  and the
Management  of ESI is not aware of any claims  that such  Intellectual  Property
rights are being challenged in any way.

                  (g) Except as set forth in Schedule 3.8(g):

                           (1) ESI has no patents  or  inventions,  domestic  or
                           foreign,  or  pending  applications  for  patents  on
                           inventions,  and  no  copyrights,   registrations  or
                           pending applications for registration of copyrights;

                           (2) no Person has any right of renewal, reversion, or
                           termination  with respect to any copyrights  owned by
                           ESI or any rights under such copyrights;
                                       11
<PAGE>
                           (3) ESI has no common law or  registered  trademarks,
                           trade names, service marks or pending applications to
                           register  trademarks,  trade names, or service marks,
                           related  to the  Software  or any other  products  or
                           services sold or licensed by it or which it otherwise
                           uses in the conduct of its business;

                           (4) ESI does not own any patents or applications  for
                           patents  that relate to or affect the  Software,  any
                           other products sold or licensed to End-Users by it or
                           any Intellectual Property rights owned by it; and

                           (5) there are, and have been, no options, licenses or
                           agreements  of  any  kind  relating  to  any  of  the
                           Intellectual  Property  owned  by ESI or to the  use,
                           manufacture,  sale or other  exploitation of products
                           or services based on or embodied in such Intellectual
                           Property  except  pursuant to End-User  Licenses  and
                           Distribution Agreements.

                  (h) ESI has taken commercially reasonably security measures to
protect the secrecy, confidentiality,  and value of the portions of Intellectual
Property owned by ESI which constitute trade secrets (the "Trade Secrets"),  and
any other  persons who have  knowledge of or access to  information  relating to
such Trade  Secrets have been put on notice and,  have  entered into  agreements
that the Trade Secrets are proprietary to ESI and are not to be divulged (except
as authorized  by ESI) or misused.  The Trade Secrets are not part of the public
domain,  and, to the  knowledge of the  Management  of ESI,  have not been used,
divulged,  or appropriated for the benefit of any Persons other than ESI (except
with ESI's consent) as described in Schedule 3.8(h) delivered hereunder.

                  (i) ESI  has  not  infringed  or  misappropriated,  and is not
infringing or misappropriating  any Intellectual  Property of another Person and
there  is no  claim  pending,  or to the  knowledge  of the  Management  of ESI,
threatened,   against  ESI  with   respect  to  any  alleged   infringement   or
misappropriation  of any  Intellectual  Property  owned by another  Person.  The
Management   of  ESI  has  no  knowledge   that  any  Person  is  infringing  or
misappropriating any Intellectual Property of ESI.

         3.9  Contracts.  Attached  hereto  as  Schedule  3.9 is a list  of each
material  contract,  lease,  agreement,  covenant,  condition,   restriction  or
obligation to any third party of ESI (as qualified below, "Material Contracts").
ESI is not in breach of any term of any Material  Contract  which would give the
other party thereto the right to terminate the Material Contract or exercise any
right or remedy thereunder.  ESI has fully disclosed to Parent, the terms of any
Material Contract.  "Material" for purposes of this Section means (a) a contract
that  accounts  for at least  five  percent  (5%) of ESI's  annual  revenues  or
operating  expenses,  (b) a  contract  with  the top 25  customers  of  ESI,  as
determined  by unit  volume  during  the 24  months  immediately  preceding  the
Effective  Time,  (c) a contract  concerning the capital stock of ESI (including
without limitation
                                       12
<PAGE>
any  repurchase  of such stock),  or (d) any other  contract  that if terminated
would materially adversely affect the business of ESI.

         3.10  Title.  ESI owns no real  property.  Except for leased  equipment
described in Schedule 3.10,  ESI has good and  marketable  title to all property
included  in the  balance  sheet of ESI as of  December  31,  1996,  other  than
property  disposed of in the ordinary course of business after said date. Except
as set forth on Schedule 3.10  attached  hereto,  the  properties of ESI are not
subject to any Encumbrance,  except minor  encumbrances  which do not materially
interfere with the use of the property in the conduct of the business of ESI.

         3.11 Environmental  Matters. The term "Hazardous Substances" shall mean
without limitation any hazardous  substance as that term is defined in 42 U.S.C.
ss.9601 or hazardous  waste as that term is defined in 42 U.S.C.  ss.6903 or any
regulated substance as that term is defined in 42 U.S.C. ss.6991, as any of such
term is defined under Arizona law, or economic poisons,  hazardous wastes, toxic
substances  and/or any similar such  pollutants  or  contaminants.  The business
operations of ESI and its assets have been, and are being,  used and operated by
ESI in substantial compliance with all applicable local, state and federal laws,
ordinances, rules, regulations, permits, licenses,  authorizations,  agreements,
injunctions,  decrees and orders  relating to air, ground and water pollution or
regulation,  soil  monitoring,  occupational  health or safety,  or the storage,
treatment, disposal, release, discharge or emission of any Hazardous Substances.
To the  knowledge of the  Management of ESI, no Hazardous  Substances  have been
disposed of on any property  that is or has been owned or occupied by ESI at any
time, and no Hazardous  Substances have been  transported by or on behalf of ESI
or in  connection  with its  business  operations,  for disposal in violation of
applicable laws. ESI and/or its business  activities or assets are not, directly
or  indirectly,   subject  to  any  obligations,   liabilities   (contingent  or
otherwise),  claims, judgments,  orders,  settlements,  resolutions of disputes,
writs,  injunctions  or decrees  relating to the treatment,  storage,  disposal,
release,  discharge  or  emission of any  Hazardous  Substances,  including  the
occupational  exposure  of ESI's  employees  or  agents  thereto.  There  are no
threatened or pending litigation,  proceedings,  investigations,  citations,  or
notices of violation  resulting from the business  activities of ESI, or arising
from its use or  occupancy  of  property,  relating to the  treatment,  storage,
disposal, release, discharge or emission of any Hazardous Substances.  There are
not now, nor to the knowledge of the Management of ESI has there ever been facts
or  circumstances  which may give rise to any litigation,  claims,  proceedings,
investigations,  citations, or notices of violations resulting from the business
activities of ESI, or from or relating to  properties  owned or occupied by ESI,
directly or indirectly,  relating to the treatment,  storage, disposal, release,
discharge or emission of any Hazardous Substances.

         3.12 Tax Returns and Audits. All required tax returns and extensions of
ESI have been prepared with reasonable  accuracy and duly and timely filed,  and
all taxes  required  to be paid with  respect  to the  periods  or  transactions
covered by such returns have been duly and timely paid in all material respects.
ESI is not  delinquent  in the payment of any tax,  assessment  or  governmental
charge, has not had any tax deficiency  proposed or assessed against it, and has
not  executed any waiver  still in effect of any statute of  limitations  on the
assessment or collection of
                                       13
<PAGE>
any tax.  Except as  indicated  on Schedule  3.12,  none of the federal or state
income tax returns or state  franchise  tax returns of ESI has ever been audited
by  governmental  authorities.  No  examination  of  any  tax  return  of ESI is
currently in progress.

         3.13  Compensation.  Set  forth  in  Schedule  3.13  is a  list  of all
agreements between ESI and their respective employees or other Persons providing
periodic   services  for   compensation   for  ESI,   whether   individually  or
collectively.   The  consummation  of  the  transactions  contemplated  by  this
Agreement  will  not  result  in any  liability  for  severance  pay to any such
employee or other such Person.  ESI has not  informed any such  employee or such
other  Person that such Person will  receive  any  increase in  compensation  or
benefits  or any  ownership  interest  in ESI,  Parent  or Newco  other  than as
provided  in  this  Agreement.  All  current  employees  of ESI  are  "at  will"
employees, and may be terminated by ESI at any time without any liability (other
than statutory liability, if any) in connection with the terms of the agreements
listed on Schedule 3.13.

         3.14 Employee Benefit Plans.

                  (a) Other  than as set forth in  Schedule  3.14,  ESI does not
maintain or  sponsor,  or is required  to make  contributions  to, any  pension,
profit-sharing,  savings,  bonus, incentive or deferred compensation,  severance
pay,  medical,  life  insurance,  welfare or other  employee  benefit plan which
affects the employees of ESI.  Schedule  3.14 fully  discloses all of the plans,
funds,  policies,   programs,   arrangements  or  understandings   sponsored  or
maintained  by ESI  pursuant to which any  employee of ESI (or any  dependent or
beneficiary of any such employee)  might be or become entitled to (1) retirement
benefits;  (2) severance or separation  from service  benefits;  (3)  incentive,
performance,  stock,  share  appreciation  or bonus awards or  commissions;  (4)
health care benefits;  (5) disability income or wage continuation  benefits; (6)
supplemental  unemployment  benefits;  (7) life  insurance,  death or survivor's
benefits;  (8) accrued sick pay or vacation pay; (9) any type of benefit offered
under any  arrangement  subject  to  characterization  as an  "employee  welfare
benefit  plan" within the meaning of section 3(3) of ERISA;  or (10) benefits of
any other type offered through any arrangement  that could be  characterized  as
providing for additional  compensation or fringe benefits.  As to any such plan,
fund, policy,  program,  arrangement or understanding,  all of the following are
materially true: (A) all amounts due as  contributions,  insurance  premiums and
benefits  to the date  hereof  have been fully paid by ESI;  (B) all  applicable
material  requirements  of law have been  observed with respect to the operation
thereof,  and all  applicable  reporting and disclosure  requirements  have been
timely  satisfied;  and (C) no claim or demand has been made by any employee (or
beneficiary  or dependent  of any  employee)  for  benefits  (other than routine
claims for benefits),  or by any taxing  authority for taxes or penalties  which
has not been  satisfied in full or which may be or become  subject to litigation
or arbitration.

                  (b) ESI does not have any  obligation  to  provide  health  or
other welfare benefits to any of their former,  retired or terminated employees,
except as specifically required under Section 4980B of the Code (COBRA). ESI has
substantially complied with any applicable
                                       14
<PAGE>
notice  and  continuation  requirements  of  Section  4980B  of the Code and the
regulations thereunder.

         3.15 Labor  Relations.  There have been no material  violations  of any
federal, state or local statutes, laws, ordinances,  rules, regulations,  orders
or  directives  with  respect  to  the  employment  of  individuals  by,  or the
employment  practices  or  work  conditions,  or the  terms  and  conditions  of
employment,  wages (including  overtime  compensation) and hours of, ESI. ESI is
not engaged in any unfair labor practice or other unlawful  employment  practice
and there are no charges of unfair  labor  practices  or other  employee-related
complaints pending or threatened against ESI before any other Person.

         3.16  Increases in  Compensation  or  Benefits.  Except as set forth in
Schedule 3.16,  subsequent to December 31, 1996, there have been no increases in
the  compensation  payable or to become  payable to any of the employees of ESI,
nor  has ESI  paid  or  granted  any  awards,  bonuses,  stock  options,  loans,
profit-sharing,  pension,  retirement  or  welfare  plans  or  similar  or other
payments or  arrangements  for or on behalf of such employees in each case other
than (a)  pursuant to  currently  existing  plans or  arrangements  set forth in
Schedule  3.16,  or (b) as was  required  from  time  to  time  by  governmental
legislation  affecting  wages.  The  vacation  policies  of ESI are set forth in
Schedule  3.16.  No employee  of ESI is  entitled to vacation  time in excess of
three  weeks  during the  current  calendar  year and no such  employee  has any
accrued  vacation time with respect to any period prior to the current  calendar
year except as set forth in Schedule 3.16.

         3.17  Insurance.  ESI  maintain  insurance  policies as  summarized  in
Schedule 3.17. Such policies  maintained by ESI are in full force and effect and
all  installments  of premiums due thereon  have been paid in full.  ESI has not
breached  any term of such  policies  which  would give the carrier the right to
terminate the policy or to raise the premiums under such policies.  There are no
notices of any  pending or  threatened  termination  or premium  increases  with
respect to any of such  policies.  There has been no casualty loss or occurrence
to ESI and ESI is not aware of any  casualty  occurrence  which may give rise to
any claim of any kind not  covered by  insurance.  No third  party has filed any
claim  against ESI for  personal  injury or property  damage of a kind for which
liability insurance is generally  available which is not fully insured,  subject
only to the standard deductible.

         3.18 Compliance.  ESI and its business are not in material violation of
any applicable  laws,  rules and regulations of any  governmental  body, and ESI
possesses and materially  complies with all necessary permits and authorizations
for operation of the business of ESI.

         3.19  Information  Provided by ESI and  Shareholders.  The  information
provided  and to be provided by ESI to Parent as  specified  in this  Agreement,
including without  limitation the Schedules and Exhibits,  does not and will not
contain any untrue  statement of a material  fact, or omit to state any material
fact  necessary  in order  to make  the  statements  made,  in the  light of the
circumstances under which they were made, not false or misleading.
                                       15
<PAGE>
                                   ARTICLE IV
                    REPRESENTATIONS AND WARRANTIES OF PARENT

         Parent represents and warrants to ESI as follows:

         4.1 Corporate Organization, Good Standing. Parent is a corporation duly
organized,  existing  and in  good  standing  under  the  laws of the  State  of
Delaware,  with the corporate  power to own its  properties  and to carry on its
business as now being conducted. Parent is qualified to do business as a foreign
corporation  in each  jurisdiction,  if any,  in which its  property or business
requires such  qualification  and the failure to so qualify would materially and
adversely  affect  Parent's  business.  Complete and correct  copies of Parent's
Certificate of  Incorporation  and Bylaws,  as amended to the date hereof,  have
been delivered to ESI.

         4.2  Capitalization.  Parent's authorized capital stock consists of (b)
10,000,000  shares of common stock,  $.001 par value, of which 5,352,673  shares
were issued and  4,983,917  shares were  outstanding  on January 10,  1997,  (b)
2,000,000  shares  of  preferred  stock,  of which no  shares  were  issued  and
outstanding  on January  10,  1997,  and (c)  1,525,541  issued and  outstanding
options and warrants for common stock.

         4.3  Corporate  Authority;  Enforceability.   Execution,  delivery  and
performance  of this  Agreement  has been  approved by the Board of Directors of
Parent.  Neither the execution and delivery of this  Agreement,  nor performance
hereunder, will conflict with, or result in a breach of the terms, conditions or
provisions of, or constitute a default under,  the Articles of  Incorporation or
Bylaws of Parent or any agreement or instrument to which Parent is a party or by
which it is bound.  This  Agreement  constitutes  the legal,  valid and  binding
obligation  of Parent,  enforceable  in  accordance  with its terms,  subject to
applicable bankruptcy, insolvency, reorganization, and moratorium laws and other
similar laws of general  application  relating to the  enforcement of creditors'
rights.

         4.4  Subsidiaries.  Parent has no material  subsidiaries  (which  terms
shall  include any direct or indirect  ownership  interest in any other  Person,
other than First Strategic Group,  Inc., NHE Systems,  Inc., Health  Enhancement
International, Inc. and Newco.

         4.5  SEC  Reporting.   Parent  has  filed  all  reports,   registration
statements,  proxy statements, and other materials required to be filed with the
Securities and Exchange  Commission (the  "Commission")  pursuant to the federal
securities  laws and rules and regulations  thereunder (the "Federal  Securities
Laws").  Parent has recently filed amended 10-QSBs for the quarters ending April
30, 1995,  July 31, 1995,  and October 31, 1995,  and an amended  10-KSB for the
fiscal  year  ended  January  31,  1995,  in order to reflect  certain  restated
financial  information  as described  therein.  Subject to the  foregoing,  such
reports,  registration  statements,  proxy statements,  and other materials were
prepared in all material respects in accordance with
                                       16
<PAGE>
the  requirements  of the Federal  Securities  Laws,  and none of such materials
contain any untrue statement of a material fact or omitted to state any material
fact required to be stated  therein or necessary in order to make the statements
therein,  in  light  of the  circumstances  under  which  they  were  made,  not
misleading.  For so long  as  Parent  has any  class  of  securities  registered
pursuant to the  Federal  Securities  Laws,  Parent  shall  timely file with the
Commission all periodic reports, proxy statements,  registration  statements and
other materials required to be so filed pursuant to the Federal Securities Laws.
Parent has provided ESI with copies of such filings  specifically  identified in
Sections 4.5 and 4.6. ESI has had the opportunity to review all of such Parent's
filings with the Commission.

         4.6  Financial  Statements of Parent.  True and complete  copies of the
following  financial  statements of Parent have been delivered by Parent to ESI:
Annual Financial Statements for the fiscal years ended January 31, 1996 and 1995
(Form  10KSB  and Form  10KSB/A,  respectively,  and  Annual  Reports  and Proxy
Statements for the same years);  and Quarterly  Financial  Statements for fiscal
years 1996 and 1995 (Form 10QSB/A).  Those financial  statements  (including the
notes thereto):  (a) are in accordance with the books and records of Parent, (b)
are  prepared  in  accordance  with  generally  accepted  accounting  principles
consistently  applied,  subject to changes  resulting from year end adjustments,
and (c) present fairly in all material respects the financial position of Parent
at the dates,  and the results of its operations and cash flows for the periods,
indicated in those  statements.  As of the date of the most recent balance sheet
listed  above,   Parent  did  not  have  any  material  debts,   liabilities  or
obligations,  whether absolute,  accrued, contingent or otherwise, which are not
fully  reflected in such  balance  sheet,  nor has Parent  suffered any material
adverse change in its business, assets, financial condition or prospects.

         4.7 Shares and Options to be Issued. The Merger Shares, when issued and
sold in accordance  with the terms of this  Agreement,  will be validly  issued,
fully paid and  nonassessable  and will be free and clear of any lien,  claim or
encumbrance created or suffered by Parent or Newco,  excepting only restrictions
on transfer described in this Agreement, in the Investor Rights Agreement and in
the  Escrow  Agreement.  Parent  shall,  at the time of  Closing,  have paid any
issuance, transfer or stamp tax connected with the sale of the Merger Shares and
will pay any such tax which may be assessed or levied on the  conversion  of the
Merger  Shares.  The Option Shares,  when issued  pursuant to the applicable ESI
Option  and in  accordance  with the terms of this  Agreement,  will be  validly
issued  and be free and  clear of any  lien,  claim or  encumbrance  created  or
suffered by Parent or Newco,  excepting only restrictions on transfer  described
in this Agreement, in the Investor Rights Agreement and in the Escrow Agreement

         4.8 No Material  Adverse  Change.  There has been no  material  adverse
change in the business,  properties,  net worth or financial condition of Parent
since December 31, 1996.

         4.9  Litigation,  etc. Except as disclosed in Schedule 4.9, there is no
litigation,  proceeding or investigation pending or, to the knowledge of Parent,
threatened against Parent which if successful might result in a material adverse
change in the business, properties or
                                       17
<PAGE>
financial  condition  of Parent or which  questions  the validity or legality of
this  Agreement  or of any action  taken or to be taken by Parent in  connection
with this Agreement.

         4.10 Permits,  Patents,  Trademarks,  and Trade Secrets. Parent has all
franchises,  permits,  licenses and other  similar  authority  necessary for the
conduct of its business as now being  conducted  and as planned to be conducted,
and it is not in material default under any of them. Parent owns or possesses or
has applied for all patents, patent rights, trademarks,  trademark rights, trade
names,  trade  name  rights,  rights to  intellectual  property  and  copyrights
necessary  to conduct its business as now being  conducted  and as planned to be
conducted without conflict with or infringement upon any valid rights of others.
Except as  disclosed  on Schedule  4.10,  Parent has not  received any notice of
infringement upon or conflict with the asserted rights of others.

         4.11 Title to Assets.  Except as disclosed in Schedule  4.11 Parent has
good and marketable title to its assets,  including,  without limitation,  those
reflected  in the most recent  balance  sheet  provided  pursuant to Section 4.6
(other than those since  disposed of in the ordinary  course of business),  free
and clear of all security interests, charges and other encumbrances,  except (i)
liens  for taxes  not yet due and  payable,  and (ii)  inchoate  landlord's  and
materialmen  and like liens that are not  delinquent  and are  incidental to the
conduct of business or the  ownership of property and which were not incurred in
connection  with the  borrowing of money or the obtaining of credit and which do
not, in the aggregate,  materially detract from the value of the assets affected
thereby and do not materially impair the use thereof by Parent.

         4.12 Tax Returns and Audits. All required tax returns and extensions of
Parent have been  prepared with  reasonable  accuracy and duly and timely filed,
and all taxes  required to be paid with  respect to the periods or  transactions
covered by such returns have been duly and timely paid in all material respects.
Parent is not delinquent in the payment of any tax,  assessment or  governmental
charge, has not had any tax deficiency  proposed or assessed against it, and has
not  executed any waiver  still in effect of any statute of  limitations  on the
assessment or collection of any tax.  Except as indicated on Schedule 4.12, none
of the  federal or state  income tax returns or state  franchise  tax returns of
Parent has ever been audited by governmental authorities.  No examination of any
tax return of Parent is currently in progress.

         4.13 No  Defaults;  Insurance.  In all  material  respects,  Parent has
performed all obligations required to be performed by it, and is not in material
default under, any contract, commitment or instrument, and no event or condition
has occurred which, with the giving of notice or passage of time, or both, would
constitute  such a default.  Parent has  insurance  coverage in such amounts and
covering  such  risks as is  usually  carried  by  companies  engaged in similar
businesses and is adequate for the business being conducted,  and the properties
owned or leased, by Parent.

         4.14 Information Provided by Parent. The information provided and to be
provided by Parent to ESI and its  shareholders  in connection  with the Merger,
does not and will not contain
                                       18
<PAGE>
any untrue  statement of a material  fact,  or omit to state any  material  fact
necessary  in  order  to  make  the  statements   made,  in  the  light  of  the
circumstances under which they were made, not misleading.


                                    ARTICLE V
                     REPRESENTATIONS AND WARRANTIES OF NEWCO

         Newco represents and warrants to ESI as follows:

         5.1 Corporate Organization, Good Standing and Capitalization.  Newco is
a corporation  duly  organized,  existing and in good standing under the laws of
the State of Arizona,  is  qualified to do business in Georgia,  has  authorized
capital  stock of 100 shares of common  stock,  no par  value,  all of which are
issued and outstanding, and owned on the date hereof by Parent.

         5.2 Corporate  Authority.  Execution,  delivery and performance of this
Agreement  has been  approved  by the Board of  Directors  of Newco and no other
approvals,  consents  or filings  are  required  except for the  approval of the
Shareholders of Newco. Neither the execution and delivery of this Agreement, nor
performance  hereunder,  will conflict with, or result in a breach of the terms,
conditions or  provisions  of, or  constitute a default  under,  the Articles of
Incorporation  or Bylaws of Newco or any  agreement or instrument to which Newco
is a party or by which it is bound.

         5.3 Liabilities. Newco has no liabilities.

                                   ARTICLE VI
                    CONDUCT OF ESI PENDING THE EFFECTIVE TIME

         ESI agrees that between the date of this  Agreement  and the  Effective
Time:

         6.1  Articles of  Incorporation  and Bylaws.  No change will be made in
ESI's articles of incorporation or bylaws.

         6.2 Capitalization, etc. ESI will not make any change in its authorized
or issued capital stock, or issue,  encumber,  purchase or otherwise acquire any
of its capital stock except the issuance of shares  pursuant to outstanding  ESI
Options or the redemption of capital stock pursuant to an outstanding agreement.
The foregoing redemption agreements are summarized in Schedule 6.2.

         6.3 Shareholders'  Meeting.  ESI will promptly submit this Agreement to
its  Shareholders  for approval at a meeting called and held in accordance  with
applicable  law,  with a favorable  recommendation  by its Board of Directors or
upon unanimous written consent of the
                                       19
<PAGE>
Shareholders.  The Shareholders  will have  unanimously  approve or consented to
this Agreement.

         6.4 Conduct of Business.  Until the Effective  Time,  ESI shall operate
its business in the ordinary  course of business and shall  preserve  intact its
assets,  corporate  organization,  goodwill and  relationships  with  employees,
customers  and  suppliers,  and shall  not make or  declare  any  distributions,
dividends,  bonuses,   extraordinary  compensation  or  other  payments  to  the
Shareholders  (other than continuation of existing salary arrangements that have
been disclosed to Parent) without the prior consent of Parent.

                                   ARTICLE VII
            COVENANTS OF PARENT AND NEWCO PENDING THE EFFECTIVE TIME

         Parent and Newco agree that  between the date hereof and the  Effective
Time:

         7.1 Meeting of Newco Shareholder.  Parent will vote all the outstanding
shares of common  stock of Newco in favor of the  Merger of ESI into  Newco at a
special  meeting of Newco to be duly and timely  called and held on such date as
may be agreed upon by Newco and Parent.

                                  ARTICLE VIII
             COVENANTS OF PARENT AND ESI PENDING THE EFFECTIVE TIME

         8.1 Announcement.  The parties shall coordinate all publicity  relating
to this Agreement and the Merger,  and no party shall issue any press release or
other  public  notice  relating to this  Agreement  or the matters  contemplated
herein  without the prior written  consent of the other  parties,  provided that
Parent shall have the right to make such  disclosures  as it deems  necessary to
comply with applicable  securities laws. None of the contents of this Agreement,
or the fact of the negotiations  between the parties with respect to the Merger,
shall be disclosed to any third party (other than professional advisors), except
by  Parent  in  connection  with due  diligence  procedures  or as  required  by
applicable  securities or corporate  laws,  without the prior written consent of
all parties hereto and except by ESI, to its Shareholders and the parties to the
Material  Contracts,  each of whom  shall  be  under  the  same  obligations  of
confidentiality  as apply to ESI under this Agreement.  Parent shall provide ESI
with a copy of any  publicity  or  filing  simultaneously  with or  prior to its
release.

         8.2 Access to  Information.  During the period  commencing  on the date
hereof and ending on the Closing Date, each party shall, upon reasonable notice,
afford to the other  party and its  respective  counsel,  accountants  and other
authorized  representatives,  full access  during normal  business  hours to the
properties, books and records of the other party in order that they may have the
opportunity to make such reasonable  investigations  as they shall desire of the
affairs of such other  party,  and such other party shall cause its officers and
employees to furnish such  additional  financial  and  operating  data and other
information as the requesting party shall from time to time reasonably request.
                                       20
<PAGE>
         8.3 Confidentiality.  No information  disclosed heretofore or hereafter
by either party to the other shall be used by such other party otherwise than as
contemplated  herein, and all such information shall be kept confidential by the
other and  disclosed  only on a "need to know"  basis to the  other's  officers,
directors,  shareholders,  employees,  counsel and accountants, and shall not be
disclosed  except to the  extent  that:  it was known when  received  and is not
subject to a  confidentiality  undertaking;  it is or hereafter becomes lawfully
obtainable  from  other  sources  and  is  not  subject  to  a   confidentiality
undertaking;   it  is  necessary  to  disclose  the  information  to  regulatory
authorities  or as may  otherwise  be  required  by  law;  or  such  duty  as to
confidentiality is waived in writing by the party entitled to claim the benefits
of this Section 8.3.

         8.4 No  Further  Solicitation.  Unless  and  until  this  Agreement  is
terminated,  neither ESI nor any of its officers  shall solicit or engage in any
discussions  relating to the purchase by any third party of any ESI Common Stock
or the assets of ESI nor will Parent engage in any  discussions  relating to the
purchase of the assets or business of a competitor of ESI.

         8.5 Pooling of Interests;  Tax-free  Reorganization.  Parent, Newco and
ESI shall each use its best  efforts  to cause the  business  combination  to be
effected by the Merger to be accounted  for as a pooling of  interests.  Each of
Parent,  Newco  and ESI  shall  use its best  efforts  to cause  its  respective
employees,  directors,  stockholders  and affiliates not to take any action that
they have  reason to believe  would  adversely  affect the  ability of Parent to
account for the business  combination  to be effected by the Merger as a pooling
of interests.  None of Parent, Newco or ESI shall take any action, including the
acceleration  of vesting of any  options,  warrants,  restricted  stock or other
rights to acquire shares of the capital stock of ESI, which  reasonably would be
expected to (i) interfere  with Parent's  ability to account for the Merger as a
pooling  of  interests   or  (ii)   jeopardize   the  tax-free   nature  of  the
reorganization hereunder.

                                   ARTICLE IX
                  CONDITIONS TO OBLIGATIONS OF PARENT AND NEWCO

         The obligations of Parent and Newco to effect the Merger  hereunder are
subject to the following conditions:

         9.1  Representations  and  Warranties  True.  The  representations  and
warranties of ESI contained herein shall be true in all material respects at and
as of the  Effective  Time with the same effect as though made at and as of such
date (except for  representations  and  warranties  expressly  and  specifically
relating to a time or times other than the Effective  Time,  which shall be true
and correct in all material  respects at and as of the time or times specified);
ESI shall  have  performed  all  obligations  and  complied  with all  covenants
required by this  Agreement to be performed or complied  with by it prior to the
Effective Time. The  representations and warranties of the Shareholders in those
certain representations agreements (the "Representation Agreements") dated as of
the  Closing  Date  shall  be true  in all  material  respects  at and as of the
Effective Time.
                                       21
<PAGE>
         9.2  Absence  of  Litigation.  There  shall be no actual or  threatened
litigation  to  restrain  or  invalidate  the  Merger or any  other  transaction
contemplated in this  Agreement,  the defense of which would, in the judgment of
the Board of Directors  of Parent,  made in good faith and based upon the advice
of counsel, involve expense or lapse of time that would be materially adverse to
the interests of Parent.

         9.3 Requisite Approvals.  All requisite consents,  authorizations,  and
regulatory approvals of governmental bodies, and of private persons or entities,
necessary or advisable  to  consummate  the  transactions  contemplated  hereby,
including, without limitation, the consent of any other party to the transfer to
Newco of all the rights of ESI in, to and under any contract,  agreement,  lease
or other instrument and any property or asset, tangible or intangible, have been
received.

         9.4 Opinion of ESI's  Counsel.  Parent shall have  received a favorable
opinion,  dated the Closing  Date,  of counsel for ESI under the laws of Georgia
and under applicable federal law, in form and substance reasonably  satisfactory
to Parent and its counsel, to the effect that:

                  (a) ESI is a corporation duly  incorporated,  validly existing
and in good standing under the laws of Georgia,  and has full corporate power to
own its properties and conduct its business as now being conducted;

                  (b) to the  knowledge of such  counsel,  the par value and the
number of shares of authorized stock of ESI which are issued and outstanding are
as set  forth in  Section  3.3 of this  Agreement,  and all of said  outstanding
shares are duly authorized, fully paid and non-assessable;

                  (c)  all  ESI  Options  will,  upon  the  Effective  Time,  be
converted  into the right to  receive  the Option  Shares set forth in  Schedule
2.1(b) to this Agreement, such that immediately following the Effective Time, no
options to purchase  ESI Common  Stock will be issued and  outstanding,  and, to
counsel's  knowledge,  there  will be no  other  rights  of any  kind or  nature
whatsoever in favor of any person or entity to purchase or acquire capital stock
of ESI;

                  (d) the Merger  Shares are, and shall be when issued,  in full
compliance with the blue sky laws of Georgia;

                  (e) all corporate  acts required to be taken by or on the part
of ESI to approve and adopt this Agreement and to authorize the Merger have been
duly and validly taken;

                  (f)  all  Shareholder   acts  required  to  be  taken  by  the
Shareholders  to approve and adopt this  Agreement  and to authorize  the Merger
have been duly and validly taken, and all Shareholders have voted  affirmatively
to authorize the Merger or consented thereto in writing;
                                       22
<PAGE>
                  (g) this  Agreement  has been duly  executed and  delivered by
ESI, and is the legal,  valid and binding  obligation  of ESI,  except as may be
limited by  applicable  bankruptcy,  insolvency,  reorganization,  moratorium or
other similar laws  affecting the rights of creditors  generally and except that
equitable  remedies  may not be  available in  connection  with the  enforcement
thereof;

                  (h) said counsel does not know,  and has no reason to believe,
that any suit,  proceeding or investigation is pending or threatened against ESI
or any  Shareholder  which might  result in any material  adverse  change in the
financial  condition or business of ESI, or which questions the validity of this
Agreement or any action taken or to be taken  pursuant to or in connection  with
this Agreement; and

                  (i) the execution and  performance  of this Agreement will not
result  in a breach  of or  constitute  a default  under  any  provision  of the
articles  of  incorporation  or the bylaws of ESI which is binding on ESI or any
Shareholder,  or, to the  knowledge  of said  counsel,  without any  independent
verification or investigation,  under any decree,  order or rule of any court of
other governmental authority which is binding on ESI or any Shareholder.

         9.5 Employment  Agreements.  Carden and Wilson shall each have executed
and delivered to Parent and Newco, as applicable,  employment  agreements in the
forms attached hereto as Exhibit 9.5.

         9.6  Escrow  Agreement.   Each  Shareholder  shall  have  executed  and
delivered the Escrow Agreement in the form attached hereto as Exhibit 2.5.

         9.7 Investor Rights Agreement. Each Shareholder shall have executed and
delivered to Parent the Investor Rights Agreement.

         9.8 Pooling of Interests. Parent shall be reasonably satisfied that the
business  combination  effected by this  Agreement  will qualify as a pooling of
interests.

         9.9 Exercise of Options.  All  outstanding  options for the purchase of
ESI Common Stock shall have been  converted  pursuant to the Merger into a right
to receive Option Shares,  such that Parent shall acquire 100% of all issued and
outstanding ESI Common Stock and that there shall be no other rights of any kind
or nature  whatsoever  in favor of any person or entity to  purchase  or acquire
capital stock of ESI.
                                       23
<PAGE>
                                    ARTICLE X
                        CONDITIONS TO OBLIGATIONS OF ESI

         The  obligations  of ESI to effect the Merger  hereunder are subject to
the conditions that:

         10.1  Representations  and  Warranties  True. The  representations  and
warranties  of Parent and Newco  contained  herein shall be true in all material
respects at and as of the Effective  Time with the same effect as though made at
and as of such date (except for  representations  and  warranties  expressly and
specifically relating to a time or times other than the Closing,  which shall be
true  and  correct  in all  material  respects  at and as of the  time or  times
specified)  Parent and Newco shall have performed all  obligations  and complied
with all covenants  required by this  Agreement to be performed or complied with
by them prior to the Effective Time.

         10.2  Absence of  Litigation.  There  shall be no actual or  threatened
litigation  to  restrain  or  invalidate  the  Merger or any  other  transaction
contemplated in this  Agreement,  the defense of which would, in the judgment of
the Board of Directors  of ESI,  made in good faith and based upon the advice of
counsel,  involve  expense or lapse of time that would be materially  adverse to
the interests of ESI or its Shareholders.

         10.3  Opinion  of the  Parent's  Counsel.  ESI shall  have  received  a
favorable opinion, dated the Effective Time, of Osborn Maledon, P.A., counsel to
Parent,  under the laws of Arizona and under applicable federal law, in form and
substance satisfactory to ESI and its counsel, to the effect that:

                  (a)  Parent  is  a  corporation  duly  organized  and  legally
existing in good standing under the laws of the State of Delaware;

                  (b) Newco is a corporation duly organized and legally existing
in good  standing  under the laws of the State of Arizona  and is  qualified  to
conduct business in Georgia;

                  (c) all corporate  acts required to be taken by or on the part
of Parent and Newco to approve and adopt this  Agreement  and to  authorize  the
Merger have been duly and validly taken, including the approval of the Merger by
the sole shareholder of Newco;

                  (d) this  Agreement,  the Escrow  Agreement and the Employment
Agreements  have been duly  executed and delivered by Parent and/or by Newco and
are the legal, valid and binding agreement of Parent and/or Newco, respectively,
enforceable in accordance with their terms, except as the same may be limited by
applicable bankruptcy, insolvency,  reorganization,  moratorium or other similar
laws  affecting  the rights of  creditors  generally  and except that  equitable
remedies may not be available in connection with the enforcement thereof;

                  (e) the par value and number of shares of authorized  stock of
Parent which are issued and  outstanding are as set forth in Section 4.1 of this
Agreement;
                                       24
<PAGE>
                  (f) the Merger  Shares and Option Shares that are to be issued
and delivered to the stockholders of ESI upon the consummation of the Merger and
upon exercise of the ESI Options after the Effective Time and payment therefore,
are validly authorized and, when so issued, will be validly issued,  fully paid,
and nonassessable;

                  (g) said counsel does not know,  and has no reason to believe,
that any suit,  proceeding or  investigation  is pending or  threatened  against
Parent  or Newco  which  might  result  in any  material  adverse  change in the
financial  condition  or business  of Parent or Newco,  or which  questions  the
validity of this  Agreement or any action taken or to be taken pursuant to or in
connection with this Agreement; and

                  (h) neither the execution and delivery of this Agreement,  nor
any  performance  hereunder,  will  conflict  with, or result in a breach of the
terms,  conditions or provisions  of, or  constitute a default  under,  Parent's
certificate of  incorporation  or bylaws,  Newco's  articles of incorporation or
bylaws,  or any agreement,  instrument,  judgment,  decree,  regulation or other
restriction, of which such counsel has knowledge and to which Parent or Newco is
a party or by which either or their properties are bound.

         10.4  Employment  Agreements.  Parent  shall  each  have  executed  and
delivered to Carlton Carden and Jerry Wilson, employment agreements in the forms
attached hereto as Exhibit 9.5.

         10.5  Escrow  Agreement.  Parent  and Newco  shall  have  executed  and
delivered the Escrow Agreement in the form attached hereto as Exhibit 2.5.

         10.6 Requisite Approval.  All requisite consents,  authorizations,  and
regulatory approvals of governmental bodies, and of private persons or entities,
necessary or advisable  to  consummate  the  transactions  contemplated  hereby,
including,  without  limitation,  the  consent of any other  party to the Merger
under any contract,  agreement,  lease or other  instrument  and any property or
asset, tangible or intangible, of Newco or Parent.

                                   ARTICLE XI
                                   TERMINATION

         11.1  Circumstances  of  Termination.  This Agreement may be terminated
(notwithstanding approval by the shareholders of any party hereto):

                  (a) By  the  mutual  consent  in  writing  of  the  Boards  of
Directors of ESI and Parent.

                  (b) By the Board of Directors of ESI if any condition provided
in  Article X hereof  has not been  satisfied  or waived on or before  March 15,
1997.
                                       25
<PAGE>
                  (c) By the  Board of  Directors  of  Parent  if any  condition
provided  in  Article IX hereof  has not been  satisfied  or waived on or before
March 15, 1997.

                  (d) By the Board of  Directors  of either ESI or Parent if the
Effective Time has not occurred by March 30, 1997.

         11.2  Effect  of  Termination.  In the event of a  termination  of this
Agreement  pursuant to Section 11.1  hereof,  each party shall pay the costs and
expenses incurred by it in connection with this Agreement,  and no party (or any
of its officers,  directors and shareholders) shall be liable to any other party
for any costs, expenses, damage or loss of anticipated profits hereunder.

                                   ARTICLE XII
                             MERGER PRICE ADJUSTMENT

         12.1  Scope  of   Adjustment.   The  parties   agree  that  the  Merger
Consideration  payable to the  Shareholders and Option Holders in respect of the
Merger has been determined  based upon the assumption  that the  representations
and warranties set forth in Article III of this Agreement are true and complete.
To the  extent  that  such  representations  and  warranties  are not  true  and
complete,  the  parties  intend  that the  Merger  Consideration  payable to the
Shareholders and the Option Shares to be issued to the Option Holders be reduced
as provided  herein.  Accordingly,  subject to the conditions set out in Section
12.2 of this  Agreement,  the parties agree that the Initial  Exchange Ratio (as
hereinafter  defined) and the Merger  Consideration be subject to an adjustment,
to the  extent  of all  reasonable  out-of-pocket  and  direct  losses  actually
incurred  ("Losses") arising out of the material breach of any representation or
warranty set forth in Article III of this Agreement  ("Claims").  The adjustment
shall be made as provided in this Article XII.

         12.2  Conditions  to  Adjustment.  The  amount of Escrow  Property  (as
defined in the Escrow Agreement)  deliverable to Shareholders and Option Holders
under the Escrow  shall be reduced in respect of all Losses  (subject to Section
12.6(g)) only if Newco or Parent shall have given notice of the Claim in writing
("Claim  Notice") to the Escrow Holder,  the Shareholders and the Option Holders
promptly  after  learning  of the Claim on which the Loss is based.  Each  Claim
Notice  shall  include  a brief  description  of the  nature of the  Claim,  the
identity  of the  party by whom it is being  asserted,  and an  estimate  of the
amount of loss (the "Estimated  Loss") which may be sustained by Newco or Parent
by reason of such breach.  Newco and Parent shall from time to time prior to the
final  determination  of any Claim and the  amount of the Loss  amend  each such
Claim  Notice to reflect  any change in its  estimate of the  Estimated  Loss as
thereto  referred to in that Claim Notice.  Newco or Parent shall deliver to the
Shareholders  and  the  Option  Holders  copies  of all  pleadings  and  amended
pleadings  filed in  connection  with  any  such  Claim  and  will  provide  the
Shareholder,  the Option Holders and their counsel with such further information
concerning  the  proceedings  relating  to such  Claim and  related  Loss as the
Shareholders,  the Option Holders or such counsel may reasonably request.  Newco
and Parent will use all  reasonable  efforts to minimize the amount of any Loss.
If different from Newco's
                                       26
<PAGE>
regular counsel,  counsel retained by Newco in the defense of any Claim shall be
subject to the reasonable approval of the Shareholders' Representative appointed
by the  Shareholders.  All Claim Notices must be given to the  Shareholders  and
Option Holders on or prior to the first  anniversary  of the Effective  Time. No
adjustment  shall be made with  respect to any Claim  Notice  given  thereafter.
"Shareholders'  Representative" shall mean Carlton Carden, unless a successor is
appointed by a majority in interest of the  Shareholders  and notice is given to
all parties to this Agreement.

         12.3 Federal  Income Tax Claims.  If a Loss is based on federal  income
taxes arising from an adjustment for any taxable year of ESI ending on or before
the  Effective  Time that will result in a federal  income tax benefit in one or
subsequent  taxable years of ESI or Parent or its  successor (on a  consolidated
basis),  the amount of the Loss  arising from such Claim shall be (1) reduced by
the amount of such tax benefits (computed on the basis of an assumed tax rate of
the maximum federal  corporate tax rate than applicable) and (2) increased by an
amount  equal to the  present  value  (at the  time of  payment  of such  Claim)
calculated  using an  assumed  interest  rate of 8% of the  interest  that would
accrue (at the rate of 8 percent per annum,  compounded  annually) on the amount
of the reduction under (1) above,  between the time of payment of such Claim and
the time when the related tax benefit will be realized;  provided, however, that
the propriety and amount of any such adjustment in the amount of such Loss shall
be  determined  by  Parent's  regularly  engaged  independent  certified  public
accountants,  whose  determination shall be binding and final and whose fees for
making such  determination  shall be paid by Newco.  Similar adjustment shall be
made with respect to state and local income taxes.

         12.4 Third  Party  Actions.  In the event  that Newco or Parent  timely
gives notice of a Claim  regarding  any third party  action or claim,  Newco and
Parent shall have a right to compromise or defend any such matter involving such
asserted liability,  through counsel of its own choosing who shall be subject to
the approval of the  Shareholders'  Representative,  which  approval will not be
unreasonably withheld. The Shareholders' Representative shall have access to all
relevant  information  and at the  expense of the  Shareholders  be  entitled to
participate  in the defense  thereof.  In the event of any proposed  settlement,
Newco or Parent shall give the  Shareholders'  Representative  at least  fifteen
(15) days prior written notice thereof.  The Shareholders'  Representative shall
have the right to assume the  defense  of the Claim at any time upon  reasonable
notice,  and all amounts payable upon the final resolution of the Claim, and all
expenses  in  connection  with such  defense,  shall be the sole  expense of the
Shareholders.  Should the Shareholders'  Representative elect not to approve any
proposed  settlement,  the Shareholders  shall defend any such Claim and pay all
amounts  payable upon the final  resolution  of the Claims,  and all expenses in
connection with such defense. Any settlement so approved shall be binding on the
Shareholders and the Option Holders.

         12.5 Final  Claim and Loss.  The  Shareholders'  Representative  shall,
within thirty (30) days after  receipt of each Claim ("Claim  Date") give notice
to Parent  either  that the  Shareholders  and Option  Holders  accept the Claim
and/or the  amount of the stated  Loss (if the Loss is stated in the Claim to be
the final Loss and not subject to adjustment) or objects to the Claim or the
                                       27
<PAGE>
amount of the Loss.  If no written  notice is given  within said thirty (30) day
period,  it shall be  conclusively  presumed  that the Claim and/or Loss, as the
case may be,  has been  accepted.  If the  Shareholders'  Representative  timely
objects  to the Claim  and/or  Loss,  as the case may be,  the  matter  shall be
resolved as set forth in Section 14.5.

         12.6 Adjustment.

                  (a) In the event of any Loss for which a price  adjustment  is
applicable  under this Article XII, the Exchange Ratio (as hereinafter  defined)
shall be  adjusted  and the number of Merger  Shares  shall be  reduced  and the
number  of shares to be issued  upon the  exercise  of each ESI  Option is to be
reduced as herein set forth. For each share of ESI Common Stock owned or subject
to an ESI Option immediately prior to the Merger,  pursuant to the terms of this
Agreement each Shareholder (or Option Holder, upon proper exercise of options to
purchase  Option Shares) is entitled to receive  .095369233  ("Initial  Exchange
Ratio") of a share of Parent Common Stock  (equivalent of 10.48556194  shares of
ESI Common Stock for 1 share of Parent Common Stock).

                  (b) The  Initial  Exchange  Ratio shall be adjusted to reflect
all Losses,  if any, for which Newco or Parent is entitled to an  adjustment  in
the  Merger  Consideration  as  provided  in this  Article  XII.  Upon the final
resolution of all Claims and the final determination of all Losses, the Adjusted
Exchange Ratio shall be determined as follows;

525,000 less (Aggregate Losses / Per Share Value of Parent Common Stock)
- ------------------------------------------------------------------------
5,504,920                                                            =  Adjusted
                                                                  Exchange Ratio

                  (c) The  definitive  number of shares of Parent  Common  Stock
each Shareholder and Option Holder is entitled to receive pursuant to the Merger
shall be calculated using the Adjusted Exchange Ratio times the number of shares
of ESI Common  Stock  owned of record at the  Effective  Time or being  acquired
pursuant to the exercise of an ESI Option.  No further  adjustments will be made
with  respect to the number of Parent  Common Stock each  Shareholder  or Option
Holder is or will be entitled to receive.  Each  Shareholder  shall receive such
number of Escrowed Merger Shares from the Escrow equal to the difference between
(i) the product of the Adjusted Exchange Ratio times the number of shares of ESI
Common Stock owned  immediately prior to the Effective Time less (ii) the number
of shares of Parent  Common  Stock  delivered  to the  Shareholder  pursuant  to
Sections 2.1 and 2.5. All Escrow Merger Shares in excess of those that are to be
delivered to the Shareholders shall be returned to Parent for cancellation.

                  (d) The Adjusted  Exchange Ratio shall be determined  promptly
after all Claims and the  amounts of all  Losses  have been  agreed  upon by the
Parent  and  Shareholders'   Representative  or  resolved  as  herein  provided.
Notwithstanding the foregoing, the determination shall be made, if earlier, upon
the occurrence of an event as set forth in Section 2.5.
                                       28
<PAGE>
                  (e) The value of the Parent  Common Stock shall be the average
of the highest and lowest  sale prices at which a share of Parent  Common  Stock
was traded over the counter on Nasdaq or on the Nasdaq  National  Market System,
if  applicable,  during  the  five (5)  trading  days  immediately  prior to the
Effective Time.

                  (f) Such  number  of shares  of  Parent  Common  Stock and the
Initial and Adjusted Exchange Ratios shall be appropriately  adjusted to reflect
each stock split, stock dividend, or other  reclassification or recapitalization
of Parent and its successor.

                  (g)  In  determining  the  aggregate  Losses  for  determining
whether and the extent of any adjustment to be made to the Merger Consideration,
only the portion of the Losses aggregating over $25,000 shall be considered.

                  (h) Option  Holders,  upon the exercise of an ESI Option after
the Effective Time, in whole or part,  shall be entitled to receive,  in lieu of
such number of shares of ESI Common Stock for which the ESI Option is exercised,
such  number of shares of Parent  Common  Stock  equal to the product of (i) the
number of ESI Common Stock for which the ESI Option is exercised  times (ii) the
Initial  Exchange Ratio,  subject to adjustment as herein  provided.  If the ESI
Option is exercised prior to the  determination of the Adjusted  Exchange Ratio,
10% of the shares of Parent  Common Stock to be  delivered to the Option  Holder
shall be held in Escrow  pending  the  determination  of the  Adjusted  Exchange
Ratio.  Upon such  determination  the  difference  between  the number of Parent
Common  Stock  that an Option  Holder  would  have  received  using the  Initial
Exchange Ratio and the Adjusted Exchange Ratio, shall be delivered to the Parent
and the balance of the Parent  Common Stock held in Escrow shall be delivered to
such former Option Holder.

                                  ARTICLE XIII
                             LIMITATION OF LIABILITY

         13.1  Limitation of  Liability.  Parent and Newco hereby agree that the
adjustment  to the Merger  Consideration  for  breaches  of Article III shall be
limited  to an  adjustment  to  the  Initial  Conversion  Ratio  to an  Adjusted
Conversion Ratio which is not greater than 10% less than the Initial  Conversion
Ratio,  and no other  property of the  Shareholders  or Option  Holders shall be
liable therefor, provided that such limitation shall not apply to claims against
a Shareholder based upon the intentional fraud of such Shareholder.

                                   ARTICLE XIV
                               GENERAL PROVISIONS

         14.1  Further  Assurances.  From time to time as and when  requested by
Newco or its  successors  or assigns,  the officers and directors of ESI last in
office shall execute and deliver such deeds and other instruments and shall take
or cause to be taken such other actions as shall
                                       29
<PAGE>
be necessary to vest or perfect in or to confirm of record or otherwise  Newco's
title to,  and  possession  of, all the  property,  interests,  assets,  rights,
privileges,  immunities,  powers, franchises and authority of ESI, and otherwise
to carry out the purposes of this Agreement.

         14.2 Survival of Representations  and Warranties.  All  representations
and  warranties  contained in this  Agreement  (and in any  certificate or other
instrument  delivered by or on behalf of any party pursuant hereto), are true in
all  material  respects  on and as of the date so made,  and  will  survive  the
Effective  Time  regardless  of any  investigation  made by or on  behalf of any
party.

         14.3 Notices.  Any notice to any party under this Agreement shall be in
writing, shall be effective on the earlier of (i) the date when received by such
party  (including  fax  receipt),  or (ii) the date  which is three  days  after
mailing  (postage  prepaid) by  certified or  registered  mail,  return  receipt
requested,  to the  address  of such  party set forth  herein,  or to such other
address as shall have  previously been specified in writing by such party to all
parties hereto:

To Parent and Newco:                National Health Enhancement Systems, Inc.
                                    3200 North Central Avenue, Suite 1750
                                    Phoenix, Arizona   85012
                                    Fax: (602) 274-6158
                                    Attn: Chief Financial Officer

With a copy to:                     Osborn Maledon, P.A.
                                    2929 North Central Avenue, Suite 2100
                                    Phoenix, Arizona   85012
                                    Fax: (602) 235-9444
                                    Attn: Thomas H. Curzon

To ESI (prior to the                Expert Systems, Inc.
Effective Time):                    1301 Hightower Trail, Suite 201
                                    Atlanta, GA 30350
                                    Fax: (770) 587-5547
                                    Attn: Carlton Carden, President

With a copy to:                     Glass, McCullough, Sherrill & Harrold, LLP
                                    1409 Peachtree Street, N.E.
                                    Atlanta, Georgia  30309
                                    Fax: (404) 885-6779
                                    Attention:  Ugo F. Ippolito
                                       30
<PAGE>
To the Shareholders (After:         At the addresses set forth in the 
    the Effective Time)             Representation Agreement of even date

With a copy to:                     Glass, McCullough, Sherrill & Harrold, LLP
                                    1409 Peachtree Street, N.E.
                                    Atlanta, Georgia  30309
                                    Fax:  404/885-6779
                                    Attention:  Ugo F. Ippolito


         14.4 Severability.  If any provision of this Agreement is declared void
or  unenforceable,  such provision  shall be deemed severed from this Agreement,
which shall otherwise remain in full force and effect.

         14.5  Dispute  Resolution.  The  parties  hereto deem it to be in their
respective   best  interests  to  settle  any  dispute  as   expeditiously   and
economically as possible.  Therefore,  the parties expressly agree to submit any
dispute between them arising out of or relating to this Agreement,  the Investor
Rights  Agreement  and the Escrow  Agreement  ("Dispute")  to mediation  and, if
necessary,  arbitration,  as  set  forth  below,  including  the  amount  of any
adjustment to the Initial  Exchange  Ratio.  The parties  hereto thus  expressly
waive any rights  they may have to trial by jury with  respect to such  dispute.
The dispute resolution  proceedings shall be conducted in Dallas,  Texas, in the
English language. The parties agree to use the following procedure in good faith
to resolve any Dispute:

                  (a) A meeting shall be held among the parties  within ten (10)
days after any party  gives  written  notice of the  Dispute to each other party
(the  "Dispute  Notice")  attended  by a  representative  of each  party  having
decision-making  authority  regarding  the Dispute,  to attempt in good faith to
negotiate a resolution of the Dispute.

                  (b) If, within thirty (30) days after the Dispute Notice,  the
parties have not succeeded in  negotiating a written  resolution of the Dispute,
upon written  request by any party to each other party all parties will promptly
negotiate in good faith to jointly appoint a mutually  acceptable neutral person
not affiliated with any of the parties (the "Neutral").  If all parties so agree
in writing,  a panel of two or more individuals  (such panel also being referred
to as the  Neutral")  may be selected  by the  parties.  The parties  shall seek
assistance in such regard from the American Arbitration  Association (the "AAA")
or the Center for Public  Resources  if they have been unable to agree upon such
appointment  within forty (40) days after the Dispute Notice. The fees and costs
of the Neutral and of any such  assistance  shall be shared  equally  amount the
parties.

                  (c)  In  consultation  with  the  Neutral,  the  parties  will
negotiate  in good faith to select or devise a  nonbinding  alternative  dispute
resolution procedure ("Mediation") by which
                                       31
<PAGE>
they will attempt to resolve the Dispute, and a time and place for the Mediation
to be held,  with the Neutral (at the written request of any party to each other
party)  making the decision as to the  procedure if the parties have been unable
to agree on any of such matters in writing within ten (10) days after  selection
of the Neutral.

                  (d) The  parties  agree to  participate  in good  faith in the
Mediation to its conclusion; provided, however, that no party shall be obligated
to continue to participate in the Mediation if the parties have not resolved the
Dispute in writing within one hundred twenty (120) days after the Dispute Notice
and any party shall have  terminated the Mediation by delivery of written notice
of termination to each other party following  expiration of said 120-day period.
Following any such termination notice after selection of the Neutral, and if any
party so requests in writing to the Neutral  (with a copy to each other  party),
then the Neutral shall make a  recommended  resolution of the Dispute in writing
to each  party,  which  recommendation  shall not be binding  upon the  parties;
provided,  however,  that the parties shall give good faith consideration to the
settlement  of the  Dispute  on the  basis  of such  recommendation,  and if the
parties are unable to resolve  the Dispute on the basis of such  recommendation,
then at the election of either  party the Dispute  shall be submitted to binding
arbitration as provided  below. In the event of binding  arbitration,  the party
seeking further  resolution shall pay the reasonable  attorneys' fees, costs and
other  expenses  (including  expert witness fees) of the other party incurred in
connection with the pursuit of (and defense  against) such  arbitration,  if the
result thereof is less favorable to the party pursuing the arbitration  than the
recommendation of the Neutral.

                  (e) Notwithstanding  anything herein to the contrary,  nothing
in this Section  shall  preclude any party from seeking  interim or  provisional
relief, in the form of a temporary restraining order,  preliminary injunction or
other interim equitable relief concerning the Dispute, either prior to or during
the Mediation if necessary to protect the interests of such party,  or to obtain
specific  performance of obligations under this Agreement,  the Escrow Agreement
or the Investor Rights  Agreement.  Further,  this Section shall be specifically
enforceable.

                  (f) Subject to the foregoing,  a party may seek arbitration of
an unresolved Dispute in Dallas,  Texas, in accordance with the Rules of the AAA
governing  commercial  transactions.  The arbitration  tribunal shall consist of
three (3)  arbitrators  if the  Dispute  is for more than  $250,000  and one (1)
neutral arbitrator if it is for $250,000 or less. If three arbitrators are to be
appointed,  the party initiating  arbitration shall nominate one arbitrator (who
shall be knowledgeable in the industry but not be affiliated with such party) in
the  request  for  arbitration  and the  other  party  shall  nominate  a second
arbitrator  (who shall be  knowledgeable  in the industry but not be  affiliated
with such party) in the answer  thereto.  The two arbitrators so named will then
jointly appoint the third arbitrator (who shall be knowledgeable in the industry
but shall not be affiliated  with either  party) as chairman of the  arbitration
tribunal.  If  either  party  fails  to  nominate  its  arbitrator,  or  if  the
arbitrators  named by the  parties  fail to agree on the  person  to be named as
chairman  (or to  mutually  select  a single  arbitrator  is the  amount  is for
$250,000 or less) within sixty (60) days, the office of the AAA in Dallas, Texas
shall make the
                                       32
<PAGE>
necessary  appointments  of an  arbitrator  or the  chairman of the  arbitration
tribunal. The award of the arbitration tribunal shall be final and judgment upon
such an award may be entered in any competent  court or application  may be made
to any competent court for judicial  acceptance of such an award and an order of
enforcement.

                  (g) At the reasonable request of either party, the mediator or
arbitration  tribunal shall adopt rules and procedures  designed to expedite the
dispute resolution process.

         14.6 Reliance on Advisors. Each party hereto has independently reviewed
the  terms  and  conditions  of  this  Agreement  with  its  own  advisors,  and
acknowledges  that it is not relying upon any other party hereto with respect to
the interpretation of this Agreement and the legal and regulatory (including tax
and  securities  laws)  treatment  of  the  transactions  contemplated  by  this
Agreement.

         14.7 Definition.  The term "ESI Management"  shall mean Carlton Carden,
Jerry Wilson and Art Bottoms.

         14.8  Registration  Statement  on Form  S-8.  Promptly  after the first
anniversary of the Effective Time, Parent shall file a registration statement on
Form S-8  covering  shares of  Parent  Common  Stock to be issued to the  Option
Holders.

         14.9  Counterparts.  This  Agreement  may be  executed in any number of
counterparts,  all such  counterparts  shall be deemed to constitute one and the
same  instrument,  and each of said  counterparts  shall be deemed  an  original
hereof.

         14.10  Waiver.  Failure  of any party to  exercise  any right or option
arising  out of a breach of this  Agreement  shall not be deemed a waiver of any
right or option with  respect to any  subsequent  or  different  breach,  or the
continuance of any existing breach.

         14.11  Integration   Clause;  No  Oral  Modification.   This  Agreement
represents  the entire  agreement  of the  parties  with  respect to the subject
matter  hereof,  and all  agreements  entered  into prior hereto are revoked and
superseded by this Agreement, and no representations, warranties, inducements or
oral  agreements  have been made by any of the parties  except as expressly  set
forth herein, or in other  contemporaneous  written  agreements  executed by the
parties.  This  Agreement  may not be changed,  modified or rescinded  except in
writing,  signed by all parties hereto,  and any attempt at oral modification of
this Agreement shall be void and of no effect.

         14.12  Captions.  Captions and  paragraph  headings used herein are for
convenience only and are not a part of this Agreement and shall not be deemed to
limit or alter  any  provisions  hereof  and shall  not be  deemed  relevant  in
construing this Agreement.

         14.13  Governing Law. This Agreement  shall be deemed to be made under,
and shall be construed in accordance  with and shall be governed by, the laws of
the State of Arizona.
                                       33
<PAGE>
         14.14 Interpretations.  To the extent permitted by the context in which
used,  (i) words in the singular  number shall include the plural,  words in the
masculine gender shall include the feminine and neuter, and vice versa, and (ii)
references to "persons" or "parties" in this Agreement  shall be deemed to refer
to natural persons,  corporations,  general partnerships,  limited partnerships,
trusts and all other entities.

         14.15 Specific  Performance.  In addition to such other remedies as may
be available under applicable law, the parties  acknowledge that the remedies of
specific  performance  and/or injunctive relief shall be available and proper in
the event any party fails or refuses to perform its duties hereunder.

         14.16 Schedules;  Exhibits.  Any Schedules or Exhibits  attached hereto
shall be deemed to have been  incorporated  herein by this  reference,  with the
same force and effect as if fully set forth in the body hereof.

         14.17 Transaction Expenses.  ESI shall bear the Shareholders' and ESI's
legal,  accounting  and  other  expenses  in  connection  with the  transactions
contemplated hereby, and Parent shall bear its and Newco's legal, accounting and
other expenses in connection  with the  transactions  contemplated  hereby.  ESI
represents  that there are no amounts payable by ESI to any other advisor or any
broker or finder in connection with such  transactions.  Parent  represents that
there are no other amounts payable by Parent or Newco to any advisor,  broker or
finder in connection with such transactions (other than those of John Taylor and
Associates) and that all such fees shall be paid by Parent.

         14.18 Successors and Assigns.  This Agreement shall be binding upon and
inure to the benefit of the parties hereto,  and their respective  successors in
interest  and  assigns,  but in no event  shall  any  party be  relieved  of its
obligations hereunder without the express written consent of each other party.


                         [SIGNATURES ON FOLLOWING PAGE]
                                       34
<PAGE>
         IN WITNESS WHEREOF,  this Agreement has been executed by the parties as
of the date first set forth above.


NATIONAL HEALTH ENHANCEMENT SYSTEMS, INC.


By_______________________________________
     Name:
     Its:



ESI ACQUISITION CORPORATION


By_______________________________________
     Name:
     Its:



EXPERT SYSTEMS, INC.


By_______________________________________
     Name:
     Its:
                                       35


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