G'day, Have you considered an external hard disk? It's a lot cheaper, performance is better, and you won't have to modify your ibook. I have this setup for recording on my 12" G4 800, and it works well. Get a casing without a fan, and you should be fine. I built a 160GB external HD (USB2/FW) for about AU$250 (~US$170), which is quite decent... Caveat: if you use an external sound card, make sure the HD isn't on the same bus - my soundcard is USB, so I use the HD on firewire. HTH, -Angus Quoting Steve H Jones <shjones at hywyn.plus.com>: > > When I replaced the drive in my iBook I looked at > > 7200RPM drives and found that they would make the > > laptop to hot. I ended up just getting a 5400RPM > > instead. This is just my personal opinion, but unless > > you absolutely need the speed increase i'd stay with > > the 5400RPM drive. > > > > Matt > > > > > > When did you look at doing this Matt,? The reason I ask is that the > latest generation drives are said to be significantly cooler. I really > do need the speed increase! Some apps just don't work, however I need > it to remain quiet while I record, so a hot drive triggering the fan > isn't good either! > > Steve