BioWare points us to the Mass Effect 3 N7 Collector's Edition today. This $79.99 pack comes with a ton of goodies, including an art book, a metal case, a comic, a patch, prints, the soundtrack and a whole bunch of DLC. Here's the full list of what you'll get in this limited-supply release:
Robotic dog? Sold!
GameStop has this special version available for pre-order now. You've got a few months, but I wouldn't wait too long, as this is a limited release.