This is the discount that I received in my email during my stay:
Get 35% off a select Disney Moderate Resort
Save 35% off the non-discounted price for stays most nights through 11/23/10 and 11/28/1012/24/10 at select Disney Moderate Resorts.
Get 40% off at Disney's Wilderness Cabins
Save 40% off the non-discounted price for stays most nights through 7/18/10, 7/31/108/1/10, 8/7/108/8/10, 8/14/108/15/10, 8/21/109/3/10, 9/6/109/22/10, 9/29/1010/21/10, 10/24/1010/27/10, 11/1/1011/3/10, 11/7/1011/10/10 and 11/14/1011/18/10 in a cabin at Disney's Fort Wilderness Resort & Campground.
Get 20% off a select Disney Value Resort
Save 20% off the non-discounted price for stays most nights through 11/23/10, 11/28/1012/1/10 and 12/4/1012/24/10 at select Disney Value Resorts.
I didn't check my email during my trip nor did I receive any notes to do so before my trip. By the way, I just returned from my vacation at WDW.
I hope that this helps.