Alan Wake will get a release date
Halo ODST game play footage
Killer Instinct announced from Rare
Banjo 3 announced from Rare
Versus Final Fantasy XIII announced multiplatform
Brief Gear of War 3 announcement (no gameplay or anything just an announcment.)
Kingdom Hearts 3 announced multiplatform
Something from Lionhead (either Fable 2 DLC or Fable 3 announcment)
New Fortza game announcement
Some casual stuff and some singer no one has ever heard of will sing.
Unrealistic:
MGS4 for 360
Halo 4/Chronicles announcment
AC/DC will sing.
Thats all i can think of.