I just stumbled across this while googling, all the threads and posts you don't see displayed in the normal forum-setup. I've also noticed you can only access the last 1000 posts someone has made, here's the path to all of them. Might also be handy when reading AZ on a very slow connection.
http://forums.azbilliards.com/archive/index.php/
http://forums.azbilliards.com/archive/index.php/