DC Comics Online
Visit DC on the web. Their surveys are always fun. And while you're there, email them to tell them you love VEXT!
DC Comics' Big Events
A cool page to help DC newbies get a handle on the various super-significant DCU crossovers (a must for those who haven't read CRISIS).
Cheeks the Toy Wonder
All DC fans should visit this page. It's great.
DCU Web Page List
An invaluable place containing links to dozens and dozens (probably hundreds!) of DC-related websites. Essential surfing.
Fanzing
A heck of a great online DC fanzine. Great competitions, features and fanfic, as well as fan art. Not to be missed.
Rec.Arts.Comics.DC.Universe
The niftyrad DC newsgroup. The best place to go to meet fellow DC fans and make lots of enemies! ;)