well theres only 3 driver versions u can chose as of the moment.
i found that the lateset ones lock up UT2003 for me so i am curently using the release previous to this one.
they seem to be more stable for me.
SOYO KT400 DRAGoN PLATNIUM
2200+ XP LOCKED[currently running default]
RADEON 9700 PRO v6193