WHO SEEN TRANSFORMERS 3 IN BOTH REAL D 3D AND IMAX 3D?

IVE SEEN IT IN IMAX 3D AND IT WAS BAD ASS..IM GOING TO SEE IT AGAIN
BUT MIGHT SEE IT IN JUST REGULAR REAL D 3D TO SAVE A FEW BUCKS.. IF
ANYONE SEEN IT IN BOTH. WHATS THE DIFFERENCE? AND WHOEVER SEEN IT IN
REAL D ..HOW WAS IT??