I can't seem to play SACDs in my system, which is causing me to weep.  The set-up: CD/DVD player = Oppo 970 HD Receiver = Denon 2807 Speakers = An unstoppable force of Aperion sound (fronts = 2 x 633T, center = 634, surrounds = 533T, S-10 sub -- and yes, this system is as unbelievably amazing as you might expect) HDMI connect between ...