Sorry about the huge headline, but seriously, how else do you say that?
Apparently Far Cry 2 and STALKER: Clear Sky were having specific issues and performance problems with certain AMD drivers.  AMD promptly updated the driver via hotfix #737-38664.
Here are some of the benefits:
Performance improvement for the DirectX 9 version of Far Cry 2 [...]

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Earlier this summer, we heard that NVIDIA might have plans for a 55nm based GT200.  With support for GDDR5 it would run fast than the current version.  Rumors of a dual chip NVIDIA card by the end of 2008 are not confirms, but if such a product came to the market NVIDIA would be setting [...]

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Living in Southern California has its benefits. You have the beach, the mountains, and the desert all within driving distance. The bountiful supply of fairly attractive young women is also worth mentioning. Of course, there are some sacrifices as well. Smog, constant droughts, outrageous cost of living, and the ever-present threat of earthquakes are among [...]

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With a hot discrete graphic’s card war and AMD currently holding the performance crown, the newest monthly driver release from our beloved DAAMIT team, has brought great joy to the users who have a CrossFireX configuration. Welcome the release of Catalyst 8.9!
After the release of the Radeon HD4870 X2, it was known across the world [...]

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