Am I to assume that this "totally new experience" is something you have direct experience with?
The lunacy of this statement is quite hysterical. You're feeding the irrationality of the OP, who doesn't seem to know what he wants or why he wants it other than to burn a hole in his pocket.
And for the record, there are several mobile devices (even non-Apple-branded) that can pull down YouTube videos flawlessly. Preordering an iPad solely on that reasoning makes almost ZERO sense. Besides, I'm curious to see just how many people will a) buy an iPad with the expensive 3G option (which really should be standard); and b) actually pay for a dedicated data subscription from AT&T that's redundant to the one they already have on their iPhones.
I'm trying really hard to not to come across as an iPad hater, but it just seems that too many people are blindly recommending them for all the wrong reasons.