ATI has released new Catalyst 5.4 drivers
Release Notes
The CATALYST Software Suite 5.4 introduces enhanced HDTV support. The HDTV user interface has been significantly modified, making it much easier to select and configure the correct resolution for your HDTV when using the Component Video or DVI connection. The Displays Manager wizard has also been updated to assist users in setting up and configuring Component Video HDTV for the optimal viewing experience.Download
Release Notes