I recently began playing Oblivion once again to prepare for Skyrim. This time around I'm doing something that I have never done before that has proven to be quite fun. I'm trying to collect and read every book in the game and place them in my Skingrad home. So far I've got quite a few, and it's exciting to try finding more.
If this idea doesn't sound completely boring to you, I recommend trying it if you haven't.

My Significant Other spends almost as much time reading as she does exploring and fighting and doing quests. I'll walk past her computer and see a book on her computer screen. I'll walk past an hour later and I'll see a different book on her computer screen.