Hey guys- a friend of mine has an iBook 1.25 Ghz with a 30 gig hard drive. This was his first Mac and he had no idea how addicted to GarageBand he would get. He wants to get some Jam Packs, such as Symphony Orchestra which is about 6 gigs. With a 30 gig hard drive, that's a tough one. But, he also has an 80 gig external hard drive. This may sound stupid, but is it possible to install the Jam Packs on the external hard drive and run them on the iBook? I'm just not sure how possible it would be to install them on his boot drive. Apps and the OS take up a lot of space.