New XBOX 360 owner, what games should I buy?

I've Halo: Reach, Call of Duty Black Ops, Dragon Age 2, FortressCraft Chapter 1 and Duke Nukem 3D.New XBOX 360 owner, what games should I buy?
you need 1 game.. mw2!!!!
Call of Duty: World at War

Assassins Creed II

Assassins Creed: Brotherhood

Grand Theft Auto IV

Skate

Skate 2

Skate 3

Rainbow Six Vegas 2

Homefront

Bulletstorm

Star Wars: The Force Unleashed

Star Wars: The Force Unleashed II

Fable III

Fallout 3

Fallout: New Vegas

Dante's InfernoNew XBOX 360 owner, what games should I buy?
Portal 2
Mass Effect
Mass Effect 2
Red Dead Redemption
Mirror's Edge
Gears of War 3
Fallout 3
Batman: Arkham City (Coming Soon)
L.A. Noire (Coming Soon)
Grand Theft Auto IV
Nothing. You SHOULD throw out the damn thing and buy yourself a computer or at least have the decency to buy a PS3. But nice call on the Duke Nukem.New XBOX 360 owner, what games should I buy?
Black ops Modern Warfare 2 :D