These pages are a testbed for a multi-user blog system.
You can find more stuff at the main index page of this blog.
Actually, mostly you will find nothing going on as the blogs don't get updated much.
I have just moved the site to a new server which allows me to use mod rewrite within the Apache web server.
This is really great, as I have been able to make the URLs in the blogs section of the site much more search engine and user friendly.
Click here to read the rest of Using mod rewrite to change URLs