Fry's has an AMD CPU/MB combo for under $80 this weekend. It'll eat more power, but it'll be worth it for both reliability and print speed.
13:09 Hmmm indeed. Let's see: problems with SATA, problems when the fast workstation with GigE is online, wimpy 1GHz C7 CPU... I/O bandwidth. In many ways I'm relieved to know that it's simply not fixable without replacing the MB. I can do that.