Just emailed their customer support about a separate shipping issue, and got the following automated reply, which would seem to imply that it's for real (also seems that lots of people wanted to double check that it's for real):
We have received your inquiry, due to the overwhelming success of a recent promotion of one of our most popular products, we are experiencing extremely high volumes of email and telephone inquiries. You are very important to us and we will respond as soon as possible. If you participated in this exclusive promotion, please be assured your item is reserved for you and will ship as soon as possible. Your tracking number will be emailed, once the pkg has shipped. Thank you for your continued patience.