Custom Application Profiles and HD3D CrossFire. We have a discussion thread open on these drivers right here, share your thoughts on it if you can.
AMD HD3D technology support enhancement
Enables support for AMD HD3D technology in conjunction with AMD CrossFireX configurations
Delivers a new Stereo 3D mode over HDMI 1.4a connections - 1080p at 30Hz is now enabled on supported displays.
AMD Catalyst Control Center / Vision Engine Control Center enhancements Application Profiles
AMD Catalyst 12.1 Preview driver enables users to create per application profiles to individually control 3D and CrossFireX settings for Direct3D applications
Please be sure to select the Restore Factory Defaults option under the Catalyst Control Center Preferences menu before using the new application profiles feature this ensures there are no compatibility issues between previous drivers and the new AMD Catalyst 12.1 Preview driver with regards to application profiles
AMD Catalyst Control Center / Vision Engine Control Center enhancements Video UI improvements
AMD Catalyst 12.1 Preview driver includes user interface enhancements to simply adjustment of video color and video quality controls
Performance highlights of the AMD Catalyst 12.1 Preview driver (in addition to the AMD Catalyst 11.11c performance driver). Improves performance (10%) in Elder Scrolls: Skyrim when Multi-Sample Anti-Aliasing is enabled on the AMD Radeon HD 6900 Series for single GPU and AMD CrossFireX configurations
We have a discussion thread open right here.