Apple Computer on Tuesday will refresh its line of iBook consumer laptops and Titanium PowerBook G4 notebooks aimed at professionals, sources say. The upgrades will come a day before Apple announces ...

OK, PowerBook fans, here’s a puzzler for you. I recently had a chance to evaluate two Apple Computer Inc. 17-in. PowerBooks. One came from the factory with a 5,400-rpm hard drive and 128MB of video ...