In my current setup. I get just under 8000 3D Marks in 3D Mark 2001SE.
I was thinking about going to the dark side and upgrading to P4 2.4 ghz cpu and mobo (Probably Sis since they have 8X agp now) so in the future I can upgrade to an NV30 Video card. Till then My GF3 will have to do. All games including UT2003 play great.
Over 12,000 3D Marks in 3D Mark 2001SE for a GF3? Its amazing what a fast cpu will do. I wonder how a TNT card would do in that system