I was loving Christopher Nolan way before he made his mark on the Batman mythology. In fact my favorite films of his are The Prestige and Following. So Just because he hasn't mentioned anything about what happens next to Bruce Wayne doesn't bother me too much especially when the trailer is as nutty as this:
Or go here: http://www.youtube.com/watch?v=zh5FD2AePJ0
The website hasn't got much to say and is just as maddening, however having seen the work done on the Batman marketing as well as the superb memento website, No doubt this site will be worth checking again in the near future.
