Based upon advice from this and the CPU forum, I bought a new Mobo/CPU/RAM last week.
I bought and installed an A64 2800+, MSI K8N Neo Platinum, and 1.5GB PC3200 RAM.
Couldn't be happier with the system. With my 6800oc vid card, this sytem simply smokes my old AthlonXP 1700+ / ATI...