So I got an old G5 as a rescue and I'm thinking if it would be worthwhile to power it up. It's a solid case and its looking pretty good. Put the new OS on it and everything, only missing an update or so. All I have to go by right now is that it has 2 256MB DDR cards, not much more to go on for now, still have to turn it on and investigate a bit. Do you guys think this old marvel would be worth upgrading? I have some $300.00 I'd be willing to put into this project. Also, curiously, does anyone know by any chance if I'd be able to put DDR2 cards on it as long as I don't mix them up?