True, but some G5s can run on just one CPU. This is much cheaper than replacing one if you have one go bad. email a company called AMSYS. Whether they'd let you have one I don't know, but I guarantee they have a ton. But they are in the UK. Otherwise, see if you can find an Apple dealer who is authorised to train other service providers. They have to maintain a pool of faulty macs to train engineers on.
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