So I ran into this on the web: http://blog.thejit.org/?page_id=14 It's a "JavaScript Information Visualization Toolkit" and it is neat. Strangely enough my first thought was "man, it would be cool if shoes had that". Anyone up for a port? I might have to take a crack at it and make a github repo. Regardless, check it out.
-Garret Buell
