Win7 RC1 64 bit, 2 x 4850 512 MB, Steam version of the game
Here are the results of a Fraps benchmark while running the same route in bootcamp
Standard
Frames, Time (ms), Min, Max, Avg
438, 13257, 26, 38, 33.039
With -winxp
Frames, Time (ms), Min, Max, Avg
664, 12901, 30, 61, 51.469
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