So, what should I get?

I have just enough money to buy a game, I have Halo 3, COD4, Assassins creed, Mass Effect, and Bioshock. What should I get? I would like a game that would last me a while, not an RPG though.

I have just enough money to buy a game, I have Halo 3, COD4, Assassins creed, Mass Effect, and Bioshock. What should I get? I would like a game that would last me a while, not an RPG though.

G3T_IN_MY_B3LLY

U can wait for rainbow six vegas 2 or maybe buy overlord?!? i dont no