I realized that I had not responded to Chris's email about Daystar. It turns out that they can upgrade any model Aluminum Powerbook except the 1Ghz. Oh well. Thanks for the thought though Chris. David On Apr 14, 2006, at 7:43 PM, David DelMonte wrote: > Does anyone know if it's technically possible to replace the mother > board on a 1Ghz AlPB. I want something slightly faster to run > Aperture, but I'm not ready to buy a whole new system. > I have rebuilt Ti books and replaced hard drives, DVD drives in > this one. > > Thanks > > David