I've been having a blast just wandering around, like I did in Oblivion. Confession: I never even remotely came close to finishing the main quest in that game, yet I enjoyed myself thoroughly.
I guess one of the reasons I enjoy Skyrim so much is because it feeds a very specific desire of mine -- to go out and explore a fantastic world. If I want a great story with detailed characters, I'll play a Bioware game. If I want to mostly make my own fun with a solid, huge world to back me up...Skyrim's the ticket.

(Though frankly, I've enjoyed the questlines so far that I've done.)
As long as I can do stuff like this:
and this:
...somewhere that looks like this:
...I'm happy.
