I should probably wait until I find out which model of PowerMac my friend has before posting this but. . . Does anyone know where I can find a power supply for a PowerMac? I'm pretty sure that her computer is either a PCI Graphics or an AGP Graphics. I've checked out MacResQ and they don't seem to have any and I've done a little bit of googling but I've got no fruit as of yet. Thanks for any help.