Hello: Here's the deal. I have an opportunity to pick up a dual 867mhz PM G4. It's from a marketing department that just upgraded to G5's. I do not have an opportunity to check it out beforehand: they say they're too busy. Whatever. Anyway, the price is right: 150 bucks. They say that one of the processors is failing. What? Anyone heard of that? They couold not tell me if this was verified by a tech or that's just what they came up with. Corporatemongers, what can we say? So: have you guys heard of this before? Is it possible to replace just once processor or are they syamese twins. As far as I am told, it has adequate RAM, an 80GB drive, and a Combo Drive. Good deal? Any ideas?