I've already had the PSU out to do some more testing on it. I'll be on the lookout for a replacement.
Mine claims to be 150w, I'm assuming a higher wattage one would "just work" and fit, even ones from later revisions, but I'm not sure.
This G4 (800Mhz) popped up on Kijiji the other day for 10$ in a disassembled state. Personally these don't feel old to me, I look at one and it still seems as new as it was in 2002, but I guess that's what happens. It's still my favourite Mac design of all time.
They took the hard drive out and...