mine on 14 January 2015
Zelda MM pin - really weird. But - Nintendo knows their customers best.
I think it will sell pretty good long term. It offers online multiplayer. And for that it can't hurt to have a larger install base to begin with.
On the other side: those who preorder are free to sell those pins. So some might use that as an "discount" which is fine for those who are only interested in Codename Steam...
