I was setting up my Dual Sawtooth G4/450 again and currently have MacOS 9.2.2/10.4.11 on it. Out of curiosity, I was trying to get Leopard to run on it with LeopardAssist. I managed to actually get the Leopard DVD to boot, but it KP'ed with a message that it was an unsupported system. I'll be able to get the actual message once I get home from work.

Anyone else have any luck with such an old system?