Anyone seen it in 3d, and also in IMAX 3d? Curious the differences.

I've only see it in IMAX 3D.

Twice now, and the second time for me seemed much quicker, and faced passed... I think it was because I was now trying to absorb everything where-as the first I had to pay attention to the story line too.

If it wasn't soooo costly, and 1hr away I may see it a 3rd in theatre. I leave with a mild headache that lasts about 5 minutes, and then is gone. My wife was almost throwing up though, she gets motion sickness super easy.