I own several Japanese release of R1 films. In the case that Japanese releases have dts, and R1 counterparts do not, the audio performance usually blows R1 away.
In addition, the Japanese release does not have burnt in English or Japanese subtitles.
This Japanese release is limited to 15000 copies, and it comes with a leather case
Disk 1: Theatrical cut 181 minutes
Anamorphic Widescreen
Audio: English DD 5.1, Japanese DD 2.0
Subtitles: Japanese, English
Disk 2 and 3: Extended Cut 237 minutes
Anamorphic Widescreen
Audio: English dts 5.1, English DD 5.1
Subtitles: Japanese, English
Disk 4: Extras 129 minutes