I'm guessing you're right. The Mac G5s are legendary, of course, for heat. I've worked with VMEBus G5 machines (PowerPC 970FX chips) and they were furnaces tha

I'm guessing you're right. The Mac G5s are legendary, of course, for heat. I've worked with VMEBus G5 machines (PowerPC 970FX chips) and they were furnaces that needed force air cooling no matter how we played with frequency. I can't imagine putting one in a ThinkPad case.