Hot on the heels of their Catalyst 5.10 release, ATi has made a tool available, which will be incorporated into the 5.11 drivers, that significantly boost performance in Doom 3 with AA enabled. Hexus has a look.

"The fix will shortly be rolled into CATALYST 5.11 according to ATI sources and a beta drop of that driver will be made available for testing in due course, before the final WHQL driver from Terry Makedon's CATALYST team is made available for public download in November."