A couple of things make this special...one is you can book
free dining now instead of waiting until at least April to find out if it will be offered to general public (and you avoid having to be on the phone at 7 a.m. to get a room in the gen. public offering, which is not fun. Especially if you're in a different time zone. I was on hold at 6 a.m...west coast people were on hold at 4 a.m.)
2nd, if you wait until gen public offer, the hotel you'd prefer may be unavailable...they only set aside so many rooms at each resort for Free Dining rooms so if they go fast (like the Value resorts do) you may be out of luck by April-June. We were not there for BB last September, so we had to try for the gen.public offering in April. I called the first day it was available, and couldn't get through...on hold for 45 min...but was able to book on-line while I was on hold, for my choice of Pop preferred room. However, by late afternoon of the 1st day people were posting that they couldn't get any preferred Value rooms; a few days into the promotion people said they couldn't get Value rooms at all for the Free Dining promotion.
3rd, if you book now, you can get your restaurant ADR's at the 180+10 mark. If you wait until the general public offer (probable April-June) you'd be trying to get ADR's at the 3-4 month mark...there will be less availability on the more popular restaurants because everyone (free dining or not) who has booked a room at least 6 months out will have already gotten their ADR's.
And if you book now & decide in a few months you don't want to go, then cancel & get your deposit back. But having the reservation now will give you some advantages.