I don't have a problem with this. It's like a little badge of honour for being an early adopter.
As someone else mentioned you also get a commemorative Day One 2013 controller as well as "premium packaging" according to Amazon. Overall I think it's actually a decent promotion for the day one edition and I would consider it if the Xbox One was going to be my next-generation console of choice.
Wow...haven't really seen a release this hard to get in...ages! Maybe since I had to order Shadow Hearts: Covenant from an obscure place in California.
Where I am (Edmonton, Alberta, Canada) I can't get it at any of the local EB Games, Best Buy, Future Shop, Walmart or Superstore. Best Buy, Future Shop, Walmart and EB Games all list is as unavailable for online purchase.
Even AMAZON.ca is sold-out!!!! (Well except for an Amazon Marketplace store that is charing $20 extra)
Also I don't know why so many people are hating on Final Fantasy XIII. Although I agree the game does hold your hand for about 5 hours, when you consider that you can easily put 50 hours into the game, what is 5 hours?