This may be too late but we drove that last 2 times. Both times stayed at Port Orleans Riverside. Also, instead of waiting on the shuttle service we would drive to the different park. No traffic, no trouble parking. Worked out real well for us. Also you can catch water taxis from Port Orleans that take you to downtown Disney.
..... Have you ridden the Rocking Roller Coaster yet? 

I have heard that they are considering a world version at Epcot, they did not feel the landscape of Florida would lend itself to the scale of the ride.