guys help me out please

Okay I am getting an xbox 360 elite with resident evil 5. (came with a mobile phone subscribtion lol it was eitherthis or a wii ;) )

I am mainly a pc gamer and have a nice pc. ( with luckaly a extra wired xbox 360 pad )

wich games do you guys reccomand me here ( remember I am a pc gamer so new here for the xbox so good older titles that I must check out are welcome 2 ;)

p.s. for the pc I already have gta4, prototype, fallout cod 4 and world at war, rainbow six vegas 1 and 2, gears of war 1, assasins creed, guitar hero 3 lol with xbox wired guitar :oops:, burnout paradise, street fighter4, mass effect, mirrors edge and overlord 2 lol

so don't reccomand me those ;)

and also not really intrested in halo3 I like fps better on pc