As motion sickness goes, Soarin is not nearly as bad as Mission: Space. We were there the four days before Thanksgiving. We rode Mission: Space on Monday morning, and I sick most of the day. Got to Soarin (Fast Pass) at 5, and felt a slightly quesy while on the ride, but I was fine after. I think if you tend toward motion sickness you should eat a little something before going on the ride. Having said that, I think it is by far the best ride in all of Disney World!