Apple says that can't be changed ). I haven't looked into them, but I would guess that is a 5400 RPM drive (which is probably what you have now anyway).
You have a nifty idea there. I have played with a similar idea (but just going from house -> car and not back), but I never went very far with it (I wrote the source utility that would pull all the files for a playlist onto a removable disk (e.g. iPod in my case), but never wrote the part to import them on the target host. It would also drop all play count and rating info the way I was doing it).2. I'm looking for a way to syncronize my two itunes setups. my perfect world would be able to set certain rules for different cirumstances. example: