@ lost in thought: don`t you mean durons are like celerons and athlons are like pentiums?, anyway, running at a higher temp will shorten it`s life, I wouldn`t kill something just because it was a little slow, you could press it into service as the server for your home network for example (if you have one), or use it for rendering BSP maps so that your main PC is left free, imo you can`t have enough `puters about the place.
Mentor.
PC1: P4 3ghz, 1gig mem, 3x160gig hd`s, Radeon 9800pro w cooler (3rd gfx card), 6 way speakers.
PC2: AMD 2ghz, 512mb ram, FX5200 ultra, 16 bit SB.
Mini ATX cases suck.