Docco Fork - All JS, all the time
EDIT: My fork is no longer needed. The folks at docco saw the same thing and recently ported over the library to use highlight.js.
I love documentation generators for code. You know what I've talking about to - something which gives you a split screen of the code and the comments, side by side, for easy reading and scrolling. Like jasmine uses for their documentation:
You can check out the fork here.