AMD has released the Catalyst 12.3 drivers. You can pick them up here. They add official Radeon HD 7000 series support. Full details are below.
Feature highlights of the AMD Catalyst™ 12.3 driver:
Windows 7 and Windows Vista support for the AMD Radeon HD 7900 Series, AMD Radeon HD 7800 Series and AMD Radeon 7700 Series
· AMD Catalyst 12.3 now provides support for Windows 7 64-bit/32-bit and Windows Vista 64-bit/32-bit for the following products:
o AMD Radeon HD 7970 Series
o AMD Radeon HD 7950 Series
o AMD Radeon HD 7870 Series
o AMD Radeon HD 7850 Series
o AMD Radeon HD 7770 Series
o AMD Radeon HD 7750 Series
· Windows XP support for the AMD Radeon HD 7900, AMD Radeon HD 7800, and AMD Radeon HD 7700 Series will be made available in AMD Catalyst 12.4
Resolved issues: Highlights of the AMD Catalyst™ 12.3 driver:
AMD Catalyst Control Center startup issues/delays have been resolved
Elder Scrolls: Skyrim : No longer displays flickering and texture corruption with Anti-Aliasing enabled
Alan Wake : A system crash is no longer experienced when running the game in DirectX 9 mode with Crossfire enabled.
Far Cry 2 : A random system hang is no longer experienced when running the game at high in game setting.
Tom Clancy HAWX : No longer crashes after task switching with MLAA (Morphological Anti-Aliasing) and Anti-Aliasing enabled.
Furmark Benchmark : No longer crashes when launched in High Performance mode.
Quake 4 : No longer display corruption after task switching when run in High Performance mode
XPlane : Textures no longer exhibit flicker and corruption.