The other thing that may or may not matter to you is the G4 1.25DP fan noise I had was irritating to me in a quite home office situation. I got a G5 1.6 because it was whisper quite and I could move the 2GB of RAM I had in the G4 to the G5. George Henry-Schneider G5 1.6, 2GB RAM, 10.3.2