Engadget imagines the way negotiations (now broken down) between Apple and NBC went over iTunes :)
With iTunes and the iPod sucb huge presences, I'm not sure how much leverage NBC actually has here...
Update: Chris Petrilli explains things for the slower Universal execs:
So what I’m saying to you, and Universal is this: you’ve removed the “no hassle” legal way to acquire your content and will likely make the legal option substantially more difficult than me driving to a friends house to watch it. You sure that’s what you wanted?