Here are some good ones released in the past year you may enjoy:
Modern Warfare 2
Street Fighter IV
Forza Motorsports 2
Batman: Arkham Asylum
Shadow Complex (XBLA. IF YOU LIKED SUPER METROID BUY THIS NOW!!!!!!!!!!)
Trials HD (XBLA)
Dragon Age: Origins
Blaz Blue: Calamity Trigger
Resident Evil 5
'Splosion Man (XBLA)
Borderlands
Halo 3: ODST
Worms 2 (XBLA)
Battlefield 1943 (XBLA)
Halo Wars
Sacred 2
Lots of good games in the past year. You missed a bit, but the best is yet to come with Alan Wake, Mass Effect 2, Splinter Cell: Conviction and 50 other good X360 games coming out between January and May next year.
Back from the dead, I'm afraid.