I'm sure Skyrim is still pretty much in the pen & paper stages right now. Lots of flow charts and concept art still being conceived, created and circulated, improv brainstorming sessions in the break room several times daily, but nothing concrete is going in to the computer just yet.
The main story is probably already laid out, but anything put on the table today is certainly subject to change tomorrow, and whatever they are working on this week will most likely be revised beyond recognition by the end of next week.
They will give us goodies eventually... but I think it's a bit premature to expect anything exciting before for a month or two from now.
Bethesda has never, to the best of my knowledge, given out a definite date unless they are positive they will make that date. For Oblivion, for example, they announced in October 2004 they were working on it. There was a non-specific "Holidays 2005" mentioned eventually, but until they were sure, they didn't announce the March 21st 2006 release date.
Considering the 11-11-11 that was on the announcement, I'd feel pretty safe in guessing that are way past the initial setup and concept art.