What's new is that you can go to itunes, search for episode xx of The Blah-de-Blah show and buy it for $1.99 without a hassle.

It's the same thing that's revolutionary about iTunes - obviously it's not the technology that is revolutionary, it's the delivery method and the simplicity of it all. This is what the mass market wants. Yes, the 32 geeks on short-media will find this-and-that wrong with it, but the 17-year old crowd will be just pouring money down this thing.