Best Graphics - Eternal Sonata
Best Sound Effects - Mass Effects
Best Replay Value - Tetris (whichever is the new XBL one)
Best Music/Soundtrack - Mass Effect
Best Story - Bioshock
Best Multiplayer - Team Fortress 2
Most Innovative Feature in a Game: Mass Effect - dialog tree
Most Innovative Game: Bioshock
In specific catagories:
Best First/Third Person Shooter: Bioshock
Best RPG: Eternal Sonata
Best Action/Adventure Game: Assassin's Creed
Best XBLA Game: Tetris
Game of the Year (all genres): Bioshock
Turd/Letdown of the Year: Mass Effect (not due to the game but the presentation)