boyko.at.netqos writes "HardOCP does a side-by side comparison with a battery of games to check stability and framerates in Windows XP and Windows Vista. In addition to the lowered framerates in Vista, they had stability issues in Need for Speed: Carbon and Prey. From the article: 'For some titles, especially Company of Heroes and Need for Speed, we saw dramatic framerate discrepancies. What's more, both of these titles have recently released patches! Other titles showed a slight, but essentially negligible difference, such as BF2142, World of Warcraft, and Prey. Really, there was only one instance where Vista was able to pick up a few more frames than XP — World of Warcraft at greater than 90fps, where the human eye can't even see the difference. To see this overall trend against Vista is very interesting and makes us wonder as to the cause.'"