MK--Upstairs at Pinnochio Village Haus in Fantasyland or Columbia Harbor House in Liberty Square.
--Boat from MK to GF for lunch at Grand Floridian Cafe (bright, lovely, relaxing and casual atmosphere, with tasty food), and then wandering/relaxing in the GF lobby.
Epcot--Lunch at the Biergarten.
--Pastry from the Patisserie in France eaten in the little shop are in the back of France.
--Smoothie at Wonders of Life Pavilion, seems less crowded than the Land.
--Out International Gateway for Beaches and Cream, or Spoodles.
Studios--ABC Commissary never seems crowded.
--3-D sound booths in the play area at the back of Sounds Dangerous.
Animal Kingdom--Rafiki's Conservation Station (or whatever it's called now), particularly the 3-D sounds of the rainforest booths.