AMD has released the Catalyst 12.9 beta driver, you can download it over here. This new release features support for AMD Enduro, the company's answer to NVIDIA's Optimus technology, as well as some performance improvements.
Feature Highlights of the AMD Catalyst 12.9 Beta: AMD Catalyst Mobility support for AMD Enduro Technology
AMD Catalyst Mobility now includes support for AMD Enduro Technology.
AMD Enduro Technology for Notebooks delivers:
Long lasting battery life
GPU accelerated performance for gaming, video, and compute apps
A Seamless and automatic experience
New features found in Catalyst 12.9 Beta:
Re-designed Catalyst Control Center user interface