EE didn't make me sick either, but Mission Space did
Here is what came up when I did a quick Google Search :
Mission Space: Do note that this is a cetrifuge-type attraction, based on the spinning machines used to train astronauts to handle high G-forces. On this ride, you will experience 2.5 Gs of force over a sustained period.
Expedition Everest:
Thrill Scale (0=Wimpy!, 10=Yikes!): 6
Fairly intense positive G-forces, backwards coaster motion, darkness
Coaster type: Indoor/outdoor steel
Top speed: 50 mph
Height: 112 feet
Drop: 80 feet
Height restriction: 44 inches
Fastpass-enabled
Will you be able to handle Expedition Everest?
Expedition Everest does not have any inversions, does not soar to nosebleed heights, and reaches a relatively tame top speed of 50 mph. Disney considers it a "family" attraction (although I'd say it's at the upper end of that category), and while it's more aggressive than Space Mountain or Big Thunder Mountain, it's certainly less intense than coasters such as Sea World's Kraken.
But Expedition Everest does reverse direction and race backwards (in the dark, no less), delivers some formidable positive G-forces (also in the dark), and feels way more out of control because of the sections in the dark. If you can handle the Rock 'n' Roller Coaster at Disney-MGM Studios, you'll be able to face the yeti.
http://themeparks.about.com/od/coasterridereviews/fr/ExEv.htm