Catalyst 6.11 is now available
You can grab the XP driver by following this link.
As with most Catalyst? releases, performance has increased in various situations. In this release of Catalyst? Call of Duty 2 performance improves as much as 12.5% at 1920×1200 settings and as much as 10.5% at 1280×1024 settings on X1900 Software Crossfire configurations. Largest gains are seen with 4x Anti-Aliasing enabled.
Catalyst 6.11 introduces software CrossFire? support for any combination of ATI Radeon X1900 and ATI Radeon X1950 installed in a system running either Windows XP or Windows XP Professional x64 Edition operating system
Note: The ATI Radeon X1950 PRO is not supported in software Crossfire mode and can only be used with another ATI Radeon X1950 PRO in Hardware Crossfire mode
For more information on Catalyst 6.11 (for Windows and Linux versions), including all of the resolved issues in this release, please see the Catalyst 6.11 release notes found in driver download section.