Having owned both a 12" G4 powerbook and a 2008 MBP (unibody), the unibody was far far easier to get inside of and replace most parts. I think when designed co

Having owned both a 12" G4 powerbook and a 2008 MBP (unibody), the unibody was far far easier to get inside of and replace most parts. I think when designed considerately, unibody type construction can make disassembly significantly easier.