Check out this really cool thingy --- it graphs out your blog, based on your source code, I guess. I dunno. It's really over my head. But looky here, my blog sure is purty:
I came across the link to this project/applet via one of the blogs on my blogroll, the name of which I don't remember, but it is one of my daily reads. My apologies! I'll update once I find out, as I do love giving proper citation.