Juicylinks,
after 1 hour of using a Mac, you will wonder why in the hell you let a PC be so difficult.
Seriously, they are super easy to use. Do yourself a favor and get some video and play with the editing in IMovie or Final Cut Pro, they just integrate so smoothly.
Only thing, once you use one, that Apple store is a scarey place to be. You can buy a car for what it cost to fill up that new box they have with Memory
I have the Powerbook. I run everything from it. Never had an issue.