Microsoft hardware for Microsoft software

My new desktop computer must be a Windows Vista compatible one. Therefore, I bought three Microsoft hardware products for the new generation operating system from the Company Store at Microsoft campus in Redmond, WA.


Microsoft Wireless Optical Desktop 4000
Stree price: USD $70, Company Store price: USD $45


Microsoft Fingerprint Reader
Stree price: USD $40, Company Store price: USD $20


Microsoft LifeCam VX-3000
Stree price: USD $50, Company Store price: USD $30