stalker is AWESOME but stressing on yoru comp unless you have pwnage specs, that and the very first mission you sent on you might die many times, lol, i know I did, haha, just kept getting shotgunned, make sure you save before going into combat
try resident evil 4 it was just released for the pc and that is crazy or you could try devil may cry 3 on the pc good characters and the story is good trying to think of somethign new ohh rainbow six vegas has a good story line halo 2 just came out for pc aswell you cant beat the halo story if youve read the books lol like me