I would say (because I'm a laptop person), bring back the TiBook, Intel Core Duo, and same other specs as MBP.
I also liked the iMac G4, more than the G5, but now, i don't use desktops that much, so the tibook is my vote.
I also liked the iMac G4, more than the G5, but now, i don't use desktops that much, so the tibook is my vote.