The tool helps with the TV ouput of Nvidia graphic cards. The main problem is the black borders around the picture on the TV screen. They are very annoying for most applications like e.G. DVD-playback. This tool helps getting rid of those bars...
You can already download the demo version of TVTool 6.5 with GF4 support. The official release will probably come tomorrow.
Download TVTool 6.5
Download TVTool 6.5