This Superbit version differs from the Region 1 version in that instead of DTs 5.1 and Dolby Digital 5.1, it has DTS, and Dolby Digital 5.1 in French only – somewhat bizarre considering it's a Superbit edition destined for English-speaking countries.
The English dolby channel is in Dolby Pro-Logic, which is just stereo with quasi-surround. The LFE (subwoofer) channel in the DTS encoding is also extremely low, I had to turn the Sub up to +8 to get a reasonable response, most movies have the sub at –2, +8 would be unbearable.
The videoencoding is crystal clear, around the 6–7Mbit/sec level (Spiderman hovers around 3.5Mbit/sec).
The movie itself is fanastic. High-energy action flick with big scenes, big sounds and big explosions. Great. However – I'd recommend getting the standard edition, NOT the Superbit one, due to the disappointing audio.