I purchesed the Starmax 2-disc Region 3 edition of Oldboy and every review of it that I read online said that it had a DTS track, a 5.1 DD, and a 2.0 DD. My copy only has the DTS and the DD 2.0 listed as audio choices. Was the 5.1 DD dropped at some point? Does anybody have this DVD *with* a 5.1 DD? Many thanks. I purchased it from yesasia.com (here) and this is not a bootleg.