The Vortex 2 is two years old, it's latest drivers are two years old, and it is supported BY every revision of DX since 6. It works perfectly under 98 and hates your chipset. I've played all the latest games including those two (gay) games you've listed, without problems.
<font color=blue>You're posting in a forum with class. It may be third class, but it's still class!</font color=blue>