AMD Releases New Catalyst Drivers for Windows 8 Consumer Preview
Some of the highlights of the new drivers include native Stereo 3D support for full-screen and windowed gaming, a Unified Video API, optimized screen rotation, improved sleep/resume performance, and optimized power consumption, according to AMD's release notes.
The special drivers also support AMD's Eyefinity technology, multiple graphics cards in a CrossFire configuration, and other goodies. One thing to note: AMD's Radeon HD 7900 Series and HD 7700 Series are not officially supported, though AMD promises they will be in a future Catalyst Windows 8 driver release.
You can grab the new drivers here.