Affordable hardware and software acquisition by Auxiliary units has been a long standing problem.  There are a several sources that have offered good service and competitive prices to the Auxiliary in the past.  While this is not an endorsement of these vendors, they might be a good source for comparison shopping.

For Software & Hardware contact:
Lawrence Sheffield (Homeland Security Government Sales Manager) www.PCMall.com
800-323-2704 x 4813 (Note: For software purchases you "must" be an Auxiliary Instructor.  They will ask you to FAX your Instructor Certificate to them to verify the purchase).

For Hardware contact:
Mike Silverstri (USCG Auxiliary Account Rep.) http://adtech-sys.com/uscga 800-359-0077 x 602

For Dell Hardware:
Go to the special "Auxiliary Area" of the Dell website.