Temple O' Trunks - Humorous site about the purple haired wonder.
Goku Central - Good Goku site
The Tenshinhan Ichidou - An excellent Tenshinhan site.
DBZ on PS2 - Contains images and videos of DBZ Budokai on PS2
DBZ 0.5-Got lots of downloads
Anime News Network - The place to go to for anime news.
Dragonballtoys.com - I think the name says it all, but if you don't get it, this site specializes in the action figures of Dragon Ball and DBZ.
Project A-Kon - The biggest anime convention in Texas that is attended regularly by Tim and Mandrew.