True dat Frink, those posts weren't there when I started typing. Just saw them now.
Anyway, my point still stands. For most folks correctly decoding the 97 cinema discs will be a challenge.
FWIW, I think despecializing the audio is a little pointless, anyway. There are enough legit mixes as it is, and H_H's purist/70mm mixes are more than adequate as a Multichannel alternative.