So the question then is this: how much new stuff will be shown at E3, and how much, if any, will Bethesda save for Quakecon? Exclusive Skyrim content would certainly generate buzz for the smaller event. What's your take?
EDIT: http://www.joystiq.com/2010/05/04/interview-bethesdas-pete-hines/
I just don't think E3 is a great place to announce anything. It's just so much stuff going on that it tends to get lost, so I think we tend to try and go outside of that window for new announcements. I think we'll have a lot of new things to show. But as far as new announcements, I think we would either do those kinds of things and maybe be more inclined to do them at events like QuakeCon. That's now kind of an event that we're working with id to make bigger and better. One of the ways you make it bigger and better is you take some of your stuff and do announcements there rather than doing them elsewhere.
Emphasis mine. I know he's talking about announcements, but I think it's reasonable to say that they'll use the same tactic for new information relating to Skyrim.