I was sure whether to put this under Alternative OS or General Hardware but here it goes. We have a Mac G5 that just stopped turning on last Tuesday. I don't know much about Mac's, and had trouble even getting it partially apart, let alone getting to the power supply, so I took it to a local computer repair place I have used in the past for them to check it out. Their verdict was dead power supply. Gave me a quote of $600+ (for parts and labor) to replace it, which seemed REALLY high to me. They claimed you have to take apart the whole mac to replace the power supply. So does anyone know if thats true, and does $600+ sound as outrageous to everyone else as it does to me, or is that about right?? Also, does anyone have a good guide to replacing the power supply. I can't seem to find one. Thanks.