Hardware like video cards, especially high-end video cards, often fall
under the purview of the Enthusiast. An enthusiast is a computing hobbyist
with a kind of hardware pioneer's mindset. Never quite satisfied with where
he or she is, enthusiasts tweak and modify, often risking and sometimes
obliterating good hardware in attempts to find its limits. But there's often
one territory that enthusiasts avoid: new operating systems. This makes
sense when you think of an operating system as the set of tools used to
trailblaze hardware. How would you go digging when your shovel has a hole
through it? ATI's current flagship, the HD 2900 XT, runs about the same as
NVIDIAs 8800GTS 640MB on computers using Windows XP. But that's patently
irrelevant for Vista users. Here are the numbers from a side-to-side
comparison: the pioneers of operating systems read on.
http://www.thetechlounge.com/article...+Vista+Perform