One if you have kids:

http://register.go.com/disney/sweeps/missionspace/entry

You have to register with a member name & password, so I'd expect a little more spam than usual.

"A four (4) day / four (4) night trip for four (4) to the Walt Disney World® Resort ("Resort") in Florida ("Trip"), consisting of the following elements: if winner resides more than two hundred fifty (250) miles from Resort, round-trip coach air transportation for four (4) between the gateway airport nearest winner's residence and Orlando International Airport; airport/hotel transfers; Resort hotel accommodations for four (4) persons (one standard room) for four (4) nights; four (4) 4-Day Park Hopper® Passes for admission to the Magic Kingdom® Park, Epcot®, Disney-MGM Studios and Disney's Animal Kingdom® Theme Park; four (4) tickets for admission for one (1) day to Disney's Typhoon Lagoon Water Park, Disney's Blizzard Beach Water Park and four (4) tickets for admission for one (1) evening to Downtown Disney® area and Pleasure Island. Grand Prize also includes one (1) HP iPaq h1945 Pocket PC."

U.S. only. Ends 10/21/03.