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                                                                 EXHIBIT 10.6(b)



                               AMENDMENT TO LEASE


         THIS AMENDMENT TO LEASE (this "Amendment") is made as of the 31st day
of October, 2000 between SPOKANE TEACHERS CREDIT UNION ("Landlord"), and
SPECTRUM INTEGRATED SERVICES, INC., D/B/A SOFTWARE SPECTRUM, a Texas corporation
("Tenant").

                                    RECITALS

         WHEREAS, Landlord and Tenant entered into that certain Lease (the
"Original Lease"), dated March 10, 2000, for the lease of certain premises
located at: (i) 1620 North Signal Drive, Liberty Lake, Washington; and (ii)
22721 East Mission, Liberty Lake, Washington; and

         WHEREAS, Landlord and Tenant desire to amend the Original Lease, as is
set forth in this Amendment;

         NOW, THEREFORE, for good and valuable consideration, Landlord and
Tenant do hereby amend the Original Lease as follows:

1. All defined terms used and not otherwise defined herein shall have the
meaning set forth in the Original Lease.

2. Section 1.6 of the Original Lease is hereby deleted in its entirety and
replaced with the following:

         1.6 PREMISES

                  "Premises" shall mean approximately 67,226 rentable square
         feet in Building 1 and 2, as outlined on the floor plan attached hereto
         as EXHIBIT B-2.

3. Section 1.9 of the Original Lease is hereby deleted in its entirety and
replaced with the following:

         1.9 TENANT'S PERCENTAGE OF THE COMPLEX

                  "Tenant's Percentage of the Complex" shall mean fifty-seven
         and eight-tenths percent (57.8%), calculated on the basis of a total
         67,226 rentable square feet in the Premises and a total of 116,364
         rentable square feet in the Buildings at the time of this Amendment. It
         is understood and agreed by the parties that Tenant's Percentage of the
         Complex shall be recomputed accordingly in the event the total rentable
         square feet leased by Tenant increases or decreases, or in the event
         the total rentable square feet in the Buildings increases or decreases.

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         IN WITNESS WHEREOF, the parties have executed this Amendment as of the
day and year first above written.

LANDLORD:                  SPOKANE TEACHERS CREDIT UNION

                           By: /s/ Jack Cady
                               -------------------------------------------------
                                          (signature)

                                            Jack Cady
                               -------------------------------------------------
                                          (printed name)

                           Title: Facilities Manager
                                  ----------------------------------------------

TENANT:                    SPECTRUM INTEGRATED SERVICES, INC.,
                           D/B/A SOFTWARE SPECTRUM

                           By: /s/  Robert D. Graham
                               -------------------------------------------------
                                          (signature)

                               Robert D. Graham
                               Vice President

STATE OF WASHINGTON )
                    )          ss
County of Spokane   )

         On this 2nd day of November, 2000, before me, the undersigned, a Notary
Public in and for the State of Washington, duly commissioned and sworn,
personally appeared Jack Cady to me known to be the person who signed as of
SPOKANE TEACHERS CREDIT UNION, the entity that executed the within and foregoing
instrument, and acknowledged said instrument to be the free and voluntary act
and deed of said entity for the uses and purpose therein mentioned, and on oath
that he was duly elected, qualified and acting as said officer of said entity,
that he was authorized to execute said instrument and that the seal affixed, if
any, is the seal of said entity.

         IN WITNESS WHEREOF I have hereunto set my hand and official seal the
day and year first above written.

                                      /s/ Sheri L. Myers
                                      ------------------------------------------

                                      Notary Public in and for the State of
                                      Washington, residing at Spokane
                                      My Commission expires: Sept. 15, 04



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STATE OF TEXAS    )
                  )        ss
County of Dallas  )

         On this 31st day of November, 2000, before me, the undersigned, a
Notary Public in and for the State of Texas, duly commissioned and sworn,
personally appeared Robert D. Graham to me known to be the person who signed as
Vice President of SPECTRUM INTEGRATED SERVICES, INC., D/B/A SOFTWARE SPECTRUM,
the corporation that executed the within and foregoing instrument, and
acknowledged said instrument to be the free and voluntary act and deed of said
corporation for the uses and purpose therein mentioned, and on oath that he was
duly elected, qualified and acting as said officer of said entity, that he was
authorized to execute said instrument and that the seal affixed, if any, is the
seal of said corporation.

         IN WITNESS WHEREOF I have hereunto set my hand and official seal the
day and year first above written.


                                       /s/ Lisa D. Castle
                                       -----------------------------------------
                                       Notary Public in and for the State of
                                       Texas, residing at Dallas County
                                       My Commission expires: 6-30-2001




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