While waiting for the PS3 3D Blu-ray upgrade I thought I would try the 3D channels on DirecTV with the Mits 3DC-1000 3D adapter.
First you have to upgrade to an HR21 or better DirectTV DVR. When it arrived, I replaced my HR20 and plugged it into my existing HDMI signal path: HR21 to Integra DHC 9.9 AV Tuner to Mits 3DC-1000 to Mits WD-73838 TV. I tuned to channel 103 and on the screen it said ....not a 3D TV.... I called DirecTV and they said you can't go through an AV Receiver.
I plugged the HR21 HDMI cable directly into the 3DC. A very nice 3D picture emerged, quite frankly better then I expected. Of course, no sound through my AV Tuner based surround system. (No, I don't want to give up HD loss-less Audio and go with a coax connection or play the audio through the TV - which BTW does work.)
I guess I have the same question, is there a HDMI splitter that will give me two outputs, one with HD audio for the Integra to decode and one with 3D Video for the Mits?
I am also assuming I will have exactly the same problem when I implement the PS3 Blu-ray 3D upgrade. I bet the HDMI based PS3 3D signal won't work through the Integra.