FSB 150, P3 Tualatin 512k 1.4-S cpu @ 1575 mhz (unfortunately, stablity is marginal here, but I just went an hour of UT2k3 with it)
256 MB PC133, Win98SE
1024x768, GF4 TI 4600. Driver 31.40
FSB 144, CPU 1516 mhz (completely stable)
I have FSAA and aniso completely off. Everything else maxed completely, except physics detail.