S.T.A.L.K.E.R. Sequel, F.E.A.R. Expansion, Gears of War for XP & Vista

It's a busy day for PC FPS news. Details on the S.T.A.L.K.E.R. sequel, called Clear Sky. F.E.A.R.'s got another expansion coming out, called Perseus Mandate, and Microsoft has confirmed the PC version of the ultra-popular 360 shooter Gears of War will be for both XP and Vista, as well as having much PC-exclusive content. Booyah!