I have camped at Ft. Wilderness every December for the last 4 years. December 2004 was the first year I did not get an AP Discount.
I did manage, however, to get a website discount for some of my nights.
Since about September 2004, folks have reported (including me), that getting any type of discount for the actual campsites was very difficult if not next to impossible.
The cabins seemed to have the usual number of discounts available.
Be prepared to call early and call often about discounts. Be prepared to make multiple reservations to get a few of your nights discounted. Be prepared to reserve more nights than you need to get a discount (then drop the extra nights a few days later).
I have not heard too many reports yet for January 05 and beyond, so don't know whether the discounts are this scarce for 2005 yet.
Carol