They just posted a new version (1.6) - This guy (aledander) is really into this!! Good for us all!

http://forums.techpowerup.com/showthread.php?t=51337

http://www.aledander.de/vb/ati_bios_...tibiosedit.zip (Version 1.6)

I'm not sure of the new features yet... Too busy for now.