Gamefest 2008 (US)

Gamefest 2008
July 22-23, 2008
Seattle, Washington
Gamefest delivers all the information you need to create great games for Microsoft platforms in one premier game technology conference. Expect two full days of cutting edge development knowledge delivered in over 100 talks across 11 content tracks, as well as an Expo Hall packed with Games Tools and Middleware companies, Authorized Test Vendors, and much more.
http://www.xnagamefest.com/