Any good PC games on clearance?

I saw a post saying ET: Quake Wars was $5...I'd really like to get that! Any deals on Unreal Tournament III for PC? I saw a post saying it was $13.

Also, any deals on Gears of War PC?

I recently upgraded my PC, so some new games would be nice.

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Phenom FX-5000 @ 2.86Ghz (4 core deneb, unlocked Athlon X2 5000+) w/Freezer 7 Pro rev.2
Gigabyte MA785GM-US2H mATX
6 GB DDR2 667mhz (2x2GB Buffalo 800MHz, 2GB Corsair Dominator 1066MHz)
ATI Radeon HD 5750 1GB
Hitachi Deskstar 1TB SATA 3.0Gb/s | Sony Optiarc DVD-RW