Here's the info we have here on the DIS!
MAGIC YOUR WAY TICKETS
Whenever possible, it's recommended that you do not arrive at the theme park when it opens and then purchase your tickets. The lines have been extremely lengthy in the mornings as guests decide which ticket option to select. We suggest that you buy your tickets in advance here.
Walt Disney World Ticket Booths located at the Theme Parks
Transportation and Ticket Center
Walt Disney World Water Parks (only selling tickets that include the water park admission)
Guest Relations at Downtown Disney
Concierge desk located at Walt Disney World Resorts
Orlando International Airport Disney shops
Disney Gateway at at the Gaylord Palms Resort located on Osceola Parkway
The Disney Stores located at the Florida Mall, West Oaks Mall, Seminole Towne Center, most of the East and Midwest Disney Stores and the World of
Disney Store in New York City
The Character Warehouse at the Belz Outlet and Premium Factory Outlet
The Disney Welcome Center in Ocala
Florida Military Bases (exclusive for Military personnel)
NEW - 10 Self serve ticket kiosks have been installed at the Ticket and Transportation Center and 3 machines are located outside the Magic Kingdom adjacent to the ticket windows. NOTE: These machines are still in the experimental stage and do not offer all ticket options at this time.