I saw this movie at a regular theater first. I live in Miami and there is no local IMAX theater (full 5 story screen). I enjoyed it but was left wanting more from the '3D' side of the movie. Then I went to Ft. Lauderdale to the only true IMAX theater...totally different experience! I couldn't see it enough! The 3D and the sound changes the whole movie experience. I then wanted to see it again and found a semi-IMAX theater at the local movie theater and was pleasantly surprised to still have a good experience! IMAX 3D is the way to go!!!