The Energon Pub

http://www.toysrus.com/product/index.js ... 2475393&cp

It's not available for pre-order but you can request email notification of when you can order it.

Interesting... Still, that may be a hollow gesture and/or effort in vain. I'm sure that any offered online will be in limited quantity and there's no telling how many people will click to be notified. Best pray you're sitting on your inbox when the notice comes in.