Although Apple officials are generally loathe to talk about upcoming products, Dave Russell, director of product marketing for portables and wireless at Apple, did say Apple would someday like to offer a PowerBook G5. "We certainly want to do that," he said. "But it's going to be a while. We think the G4 has a very long life in the PowerBook."
The main hurdle in getting a G5 processor into a portable is the need to keep the processor cool, he said. "Have you looked at the inside of the G5 tower?"