I just checked Blu-ray.com and they have two versions listed. The collectors edition is in Dolby True-hd. The original release was in 5.1 Dolby standard. Something to remember when shopping for audio content in Blu-ray.
_________________________
SAMSUNG 5265/ ONKYO PRO PR-SC886/ FRONT SPEAKERS DEF TECH MYTHOS 1'S/ CENTER DEF TECH MYTHOS 9/ SURROUNDS ENERGY C20'S/ OPPO BDP-83/ OUTLAW 7700 POWER AMP/ VERIZON HI DEF DVR.TWO UBER 10 INCH SUBS FROM ORB AUDIO