I want to convert my video files so they'll play on my iPod Classic, iPhone, future Apple TV (soon) and on my Mac. If I mainly plan to watch the videos on my MacBook Pro, do I need to use h.264? The description on Visual Hub says it'll look better on a smaller screen, and I believe it: The videos look blocky on my MBP. I'm not expecting super clarity, but if anyone could shed light on this feature I'd be very grateful.