Our resting choice (even our 3 year old rests on this one) is the TTA.
A close second is Spaceship Earth.
I admit we've never been to the Hall of Presidents, don't honestly know why. However, a bunch of the US news outlets ran stories today about the drastic improvement to the "new" show that was launched today with Obama included - so perhaps we might actually stop by the US pavillion this December. Fingers crossed it's either really good, or becomes a new resting station