I wonder if Disney won't say anything about it until New Year's Eve, just like they did last year with the thing they did with Leap Year. I am really interested in this new promotion and would love to know what the dates are for some of the weekends.
My guess is they'll at least wait to announce weeks until New Fantasyland's grand opening. It would keep them focusing on one Magical Moment at a time. We're just waiting to hear what our week will be since our vacation is set in (relatively unchangeable) stone.