The Springs is high demand for those that want a short walk to the food, store, main pool, and dock for boat to The Landing (center of Disney Springs.)
Congress Park is high demand for those that want to walk to Disney Springs (Marketplace end).
My favorite is Grandstand since it's a short walk to that first list and has a nice pool that is never crowded. And it's the first bus stop so no full buses in the morning pickups to the parks. I should probably not have posted this. Ignore.