I mailed mine out early December,finally acknowledged
.
Here's my status: Duplicate- Request denied - limit exceeded for offer - Rebate should be mailed within 3 weeks.
Here's the email sent to me:
Thank you for your request. Duplicate means someone else has already submitted the same Serial number. Due to high volume, all duplicate serial numbers will be researched when all submissions have been entered. Please check back.
On a good note,I love the '15.