This Really works,i downloaded it and i jsut tried it and sure enough it works. And the file is self extracting so you don't need to be a wiz to get this to work. Finally after over a week at least i can play the game without being windowed or with bloom/hdr off. Here is the link
http://www.rage3d.com/index.php?cat=75#newsid33975741

P.S. it works with STEAM versions and or with RETAIL versions.