[blueman2]

Well, I have been playing a few DVD's with DTS 5.1 and DD 5.1. Peter Gabriel's Play DVD and Dark Side of the Moon 4.1 remix by Alan Parsons. Both sound fantastic, but I do not really think it is providing 5.1 Audio. I hear no difference between front right and rear right, for example. On my home system, I hear very different sounds.

I think the M3 Enhanced system only does 2 channels. At least, to my not very adept ear it sounds that way.

ps I did try both DD5.1 and DTS5.1 selection from the DVD menu. Both sound pretty much the same and both appear to still be downmixed to 2 channel. Oh, and I turned off the "Surround" option since that just mimics surround from Stereo.