Let's not kid ourselves. Just days before the end of the month comes to a close, ATI squeezes out a Catalyst driver, I think it's safe to say that this driver is more so to keep the flawless monthly release record than to bring massive improvements or new features.
The driver seems so rushed out that someone forgot to update the Catalyst Control Center to actually say 10.1. Instead it still says 9.12. Terry Makedon @ CatalystMaker even said on Twitter that this is just a standard release driver to fix some bugs. Read more at TweakTown.