I rode it twice during my trip there a few months ago. It is sort of like "splash mountain" crossed with "premievel whirl" at walt disney world. Riders sit 4 to a car, 2 each back to back in "tortoise shells" that first go through a mild themed portion of the ride with some wonderful animatronics, then through a darkened room portion where the cars whirl, drop up and down, and spin to simulate riding on the "AC" with Crush.
It is an amazing ride - much more turbulent than you would expect, yet not as thrilling as, say, SMII or RRC...there are no inversions or corkscrews.