<<Yes, I dont get UPN and I want to see it. But do you know how long 100megs takes at 1.5kb/s?>>
About 20 hours.
As for size, I would shoot for about 200-250 megs. Those deliver decent quality at a size that isn't absolutely horrendous. You will want to fool around with it some to see what looks the best, though.
Edit: Oops, for got it was a two-parter. Make that 400-500 megs