I'd make sure to hit the Haunted Mansion, BTMRR, Pirates, Jungle Cruise, Peter Pan, IASW, Space Mtn, maybe People Mover at night and see the parade and fireworks. Enjoy the atmosphere and Main St.
Epcot I'd say Soarin, Spaceship Earth, LWTL, spend a lot of time in the World Showcase and stay for Illuminations.