Gaylord Palms in Orlando, we got a room from Priceline for $100, when we arrived at the desk we told em it was my fiances 21st b-day and they gave us the presidental suite, man that was one hell of a hookup.
http://www.gaylordhotels.com/gaylordpalms/
Btw Atlantis is pretty killer too, a bit pricey but very nice.