X-Bios has some great updates. So here they are:

First , they got some new released BIOSes for GeForce 2 GTS/Pro from Prolink PixelView.

GeForce 2 GTS/Pro BIOSes

Next is what's looks to be a great BIOS editing tool! Here are some screen shots . First beta release will be availabe in near future. Developing now at testing stage. This program will support all BIOSes from TNT2 and up to Ti 500. Except TNT and TNT2 with old version of Control BLock (less than version 3). Does not require any .dll, and will work under any version of Windows 9x/ME/NT/2000/XP.

And finally they got a link to nonofficial ASUS utilities for their video cards:

ASUS Smart doctor v1.76 (1.19 Mb)
ASUS Video Decoder v1.0 beta for Win9x/2k/NT (60 Kb)
ASUS Tweak Utility v3.22 (600 Kb)