SiS has new 740/65x integrated VGA drivers 2.18.
VIA has new W9x VGA drivers for CLE266 and new W2K/XP drivers for KN/KM400.
I included a link to S3 Twister / ProSavage / ProSavage DDR integrated VGA on older VIA chipsets.

Read more for the links

SIS740/65x W2K/XP small package
http://driver3.sis.com/graphic/integ...18_win2kxp.zip
SIS740/65x W2K/XP full package
http://driver3.sis.com/graphic/integ...18_win2kxp.zip
SIS740/65x Win98/ME small package
http://driver3.sis.com/graphic/integ...18_win98me.zip
SIS740/65x Win98/ME full package
http://driver3.sis.com/graphic/integ...18_win98me.zip


VIA CLE266/KN400/KM400 drivers
http://www.viaarena.com/?PageID=70
S3 Twister / ProSavage / ProSavageDDR drivers (integrated on older VIA chipsets)
http://ranger.s3graphics.com/viaarena/