Jasonalanpowell:
Thanks for the further report. It seems to me there has been a scarcity of reports on the TRI on the net, so it's good to read some first-hand impressions.
I'm pretty confused as to what I will buy when I, like you, make my transition to multi channel, or try to. As the other respondent noted, 3-channel apparently isn't new, even if the TRI presents us with a claim to be a particularly competent implementation of it.
I tend to think that, eventually, some sort of multichannel format should be in my future, as the best of the approaches are perfected and made affordable and hassle-free to me. At the moment though, my library is of 2-channel sound, I'm not about to "Buy the White Album Again" for the umpteenth time in a new format, ... not until I can sort of take stock of things.