i would love the extra space, but $200 just to gain 40GB? doesn't seem worth it. i have no idea what life is like with the orginal 100gb drive since i purchased the 60gb hitachi immediately. i have a wd 3.5" caviar drive that i have in a firewire enclosure for extra capacity. it seems to me 3.5" hard drives come down in price, but there must be a difference for lappy stuff, which i don't have as much experience with.