This site is kind of fun. It takes a webpage and turns it into a graph. The best part, however, is watching the graph form. ;)
http://www.aharef.info/static/htmlgraph/
Here is CAOS. (http://www.aharef.info/static/htmlgraph/?url=http%3A%2F%2Fcaos.siue.edu) - You can see the RSS Feeds as 4 branches with 5 fingers each.