Some say you can port just about any top PC game to Linux on your PC. Naysayers maintain that most games don't run on Linux, and the ones that do, run badly. This article decided to cut to the chase and detail what works and what doesn't, with some input from ATi's and NVIDIA's top software developers.

http://www.tomshardware.com/business/20041230/index.html

A good read. Quite an eye-opener.