I bought a TOP PC, need help choosing games.. help

[SmoothCriminal]

F.E.A.R. 2 - Best FPS this Gen
Farcry 2 - has it's flaws but it's extremely fun to explore the world
Jade Empire - An interesting setting for an RPG, and a great combat system.
Civilization 4 (or just wait for Civ5) - still the king of turn-based strategy games