Damn. Halo 3, Mass Effect, Bioshock, Assassins Creed, CoD4, Lost Odessy, Stranglehold, Splinter Cell ConViction, GH III, Eternal Sonota will cost me 600 bones. Not to mention some XBLA titles that I will for sure download. Starting with Bomberman this wednesday. All by the end of this year. Kinda crazy. Wallet Am CRY 
I for got about Orange Box and now Marathon on XBLA. $700 comfirmed.