Firstly, Congrats! You're in a position that most of us can only dream of. :)

Ok, so now you need to pay attention to articles like this:

- http://news.ycombinator.com/item?id=1383376

- http://news.ycombinator.com/item?id=2275643

- http://news.ycombinator.com/item?id=398597

- http://www.reddit.com/r/IAmA/comments/azgs6/iama_guy_who_sol...

- http://philip.greenspun.com/materialism/early-retirement/

- http://paulbuchheit.blogspot.com/2010/05/what-to-do-with-you...

Hope these articles were give you some insight. Again, congrats and lighten up! There is more to life than working.