Mass Effect & Falout 3...
Very closely followed by Fable 2, Viva Pinata, Gears...
Playing: Borderlands(great co-op,HUGE amount of content),Too Human(better late than never lol),Saints Row 3(Penetrator ftw),Minecraft 360,Harry Potter Lego.
Patiently waiting for: Tomb Raider, Borderlands 2