This one will be hard to top for a number of reasons including; a well thought out use of 3D as a storytelling medium; for its groundbreaking effects - which for me - looked real; the fact that it hits you emotionally at times - You name it!
In Imax 3D, the experinece of seeing Pandora is almost like being there. For those interested, the digital 3D version of the film is in 'Scope ratio, in Imax 3D more like traditional 1:85 - both work. See it!