In my nitpicking decision of wanting to make sure that when I finally get my Powerbook it's got everything I'll need, I came to the question of hard drive. I like to do video editing as a side hobby (never more than an hour of footage), but I often want to keep multiple projects even after completion, just to tweak later. I realized on my Windows machine that this required a LOT of room. My question is if I can import clips from my camera into iMovie, burn to a DVD, and then create the project by selecting the source of the clips as the DVD. Then when I was finished I could export the project to Quicktime movie, and burn to iDVD from there. Would I run into any problems with this? This'll determine whether or not I should go for the 80GB over the 60GB hard drive.