Don't have a 360, but just going by multi platform games.
Bayonetta
Brutal Legend
Red Dead Redemption
Battlefield - probably best waiting for Battlefield 3
Fallout 3
Metro 2033
Maybe Halo, I've had fun from the little I've played of it
Bayonetta
Brutal Legend
Red Dead Redemption
Battlefield - probably best waiting for Battlefield 3
Fallout 3
Metro 2033
Maybe Halo, I've had fun from the little I've played of it