Microsoft Mindshare - Provides information and support for Microsoft product user groups. Listing of registered user groups, including those without websites. - http://www.microsoft.com/mindshare/
Orange Badges - Forum for past, current, and future contractors at Microsoft. - http://www.orangebadges.com/
Microsoft Software Forum Network - Message board for discussing Microsoft operating systems and desktop software. - http://www.msfn.org/