Warp2Search has send words that new ATI Radeon beta drivers for Windows XP are available.
They increase performance at least in Direct3D as you will see in the various benchmarks we have put them through.Download
We have tested the new driver set with 3DMark2001 SE, Codecreatures Benchmark Pro, GLExcess and Jedi Knight 2. Read more to check out the results as well as some additional info.