There may be a number of options for budding iPad Scorseses, now you can add Avid's "Studio" to that list. Conveniently launching at the same price as iMovie, Avid's intention to woo Apple's users is clear. Those five bucks get you a tidy storyboard solution, "precision" editing, the usual array of transitions and effects, plus multi-channel audio support (including access to your iTunes library). Video can be shot from the device itself, of course, and camera kit owners can import footage from your archives. The final