I've never owned a G4, but boy, have I wanted one. After months of nothing on craigslist, my patience was well worth it! I found a 1GHZ iMac G4 15", which I don't believe many people have. It's stock configured, so there will be some major upgrades to say in the least. It looks nearly flawless in the pictures, so I will let you all know with some pictures how cool this Mac will be! I don't know if I should be running leopard or tiger on it, but for now I'm going with Tiger since I will only have 256MB of RAM in it and who knows if the stock 30GB HD is still in it, lol. Anyhow, just thought I'd let you all know!