We are trying to stay at all the WDW Resorts too. I've stayed at the Contemporary (3 times), Polynesian, Grand Floridian (2 times), Yacht Club, Beach Club, Boardwalk, Carribbean Beach, Dixie Landings (sorry, PO Riverside) (2 times), Port Orleans French Quarter (2 times), Wilderness Lodge (3 or 4 times), Animal Kingdom Lodge, Coronado Springs (2 times), and the Disney Institute.
So if I remembered everything the only ones we haven't stayed at are the All Stars, Fort Wilderness, or The Swan And Dolphin. Although we are staying at the Dolphin in December when we go!