
Okay after reading a ton of posts about who has and hasn't received this deal I really think that the common denominator is an online survey at a Disney site. There are many who have AP, DVC, and Disney Visa who didn't get the pin code offer so those can't be involved in Disney's choosing process. However several people who noted that they filled out a survey about DisneyLand specifically have received it and I am one of them. I filled out a survey early last week and got the postcard in the mail Thursday! Of course this is all conjecture, but I think if you really want to be getting these postcard/email pin code offers for DLR hotels then you need to do any Disney survey that comes your way online! I believe that they ask you to stay on the phone after you've finished your reservations call for a survey also... I'd do that as well if you really want to increase your odds! I think it makes sense that they would pull from those taking surveys, especially if the person surveyed hasn't been to the park in a while or never... they'd want your business... now!
Good luck and I really hope this helps someone! Disney is so expensive and yet such a worthwhile trip. I just hope everyone can find a way to afford to get there and stay where they feel comfortable to share some Magic with family and friends!