Thanks for everybody's answers so far. ISn't space mountain the one that's inside, in the dark? I don't think I'd like that. Visual cues are very important for me to avoid motion-sickness, to which I am especially prone.

Well thanks for the Epcot suggestion, but I'm going to be in California, not Florida.

We already have hotel reservations so that's not an issue.

ANd I absolutely refuse to get within 100 yards of "It's a Small World."

ALex