I chose STALKER, and if i could chose another -- FEAR.
I like Duke Nukem Forever (i know its not out yet) and Quake IV because those are the game i use to play when i was younger. Those are the games i grew up on, Duke Nukem, Quake, Blood, Wolfenstein, Doom. Those are all classics to me and my favorites. I can remember pretty much all of those games so well.