Bryan,
I am curious what kind of problems you've had, mine works perfectly, except for when I accidentally put a DVD-A disc into the transport, which seems to play them fine but doesn't output any signal as it's not built for these.....
I've only done this twice, and unfortunately both times it has been right after coming home from vacation, so I assume something happened, rechecked all wiring, preamp, you name it only to realize it's a non supported format. Sometimes we do dumb things.....