I have just finished installing the speakers. I have run the MCACC on my VSX D712. I sent my kid over to get a couple of DVD's and she got Chicago (a musical) and Prince of Egypt. I must say when I heard the THX soundtrack I said WOW ! simply GREAT ! However during DVD playback I could barely hear the rear surrounds. I could clearly tell when sound was eminating from the centre and front's ....but not from the rears. Is this normal ? Cheers Pioneer VSX D712, M74i floorstanders, M3c2 centre, M3ds rear surround.