Ok this is weird... my powerbook will occasionally hang. It'll pause for like 10 seconds then respond to all the input I added in those 10 seconds in a single instance. I't only been doing this since perhaps Jan or so. I thought it was Konfab but I was wrong. Done it 3 times since deleting konfab, and 2 times were today. All the times were different basically, though all the times I was running Finder, iChat, Safari, Mail, iTunes, and Stickies. I also have Palm Desktop so that software runs all the time (the normal login stuff you get when you install it). It's just been weird is all. I suspected overheating, but if that was the case, the computer would just shut off of something.