I've always thought since I first set it up that the rear speakers in my system were probably too loud but I quite enjoy having "big" surround sound so I've pretty much left it as it is apart from boosting the centre a little bit. However last week I was watching Ratatouille on Blu and noticed it had an audio test in the special features. It relays sound to each speaker in turn and the rears were significantly louder than the fronts and centre. I then did the same test as described in the Onkyo manual and all speakers sounded as if they were at the same volume. Anyone else found the auto settings to be unbalanced ?