Mainboard is a Biostar M7NCD 400 FSB socket A
CPU is an Athlon XP2600+ OC'd to 2.3 Ghz (turn up the FSB from 166 to 200). Been running stable for some time. CPU temp idles between 40C and 42C usually, really pushing it during gaming I have seen it go as high as 55C, but thats pretty rare. 52C is my normal "peak".
Memory is standard Corsair at Optimal timings (a little on the slow side, but liveable).
Video Card is a FX 5900XT softmodded to 5900 Ultra and OC'd to Ultra specs. Been running that way for quite awhile. I do know the memory on the card isnt quite the same quality as Ultra memory, so I dont push it very much beyond stock. Standard speed was 700, I run it at 750. I've had it up to 800 before and it passed the stress testing, but I backed it off from that point. The actual Ultra card I tested not so long ago would go up past 900 before the memory became unstable. Thats close to 6600 memory specs.
Another note on the video card temps. I tried gaming for awhile tonight, even though the card idles at 51C. Never had any stutter or hesitation, and never locked up, even though the card temps read 58C. I did have some problems, but I dont think they were card related. One warp (while no one around this guy was warping), and once where the other guy just didnt show up. All I could see was tracers coming out of empty air. Even while reading 58C, while the card is noticeably warm, I can easily touch it and its not burning hot. Just warm.