There's Bunch Of DC Universe Online Goodies On Offer If You Pre-Order The Game.

There are a number of goodies you can grab hold of depending on which retailer you order from: an exclusive 2v2 arena battle where you play as the Batman himself, the Joker's pistol, the Lexcorp Kryptonite blaster, and so on and so forth. You can catch the full details over on the official DC Universe Online website.

And don't forget, there are more details about that beta through here.