I ended up deciding to keep the speakers and have been using the small TH-33s in my recording studio as monitors. They are so accurate I hate the way I sound through them lol. The rest have been preserved in my living room, and have provided years of enjoyment. They do need a sub to really bring out the home theater experience but all do these days. Driven by a Bryston 4B-ST in stereo, the sound is immaculate, and I never pushed never to see what the boundaries were.
I've decided to sell everything I own and go travel the world so these need a new home. They have been preserved the entire time I have owned them, and for a set of 7 speakers, I would have to say they are in phenomenal condition for 30 year old speakers. All the grills are perfect, and there is only one ding on one rear corner of one speaker. All the drivers are mint, and have been dusted with air regularly.
The big question is... what are they worth? As studio monitors all of the included speakers except for the stands with the 8" drivers in them are exceptional, with the accuracy that Duntech and John Dunlavy's legacy there produced. I'm fairly convinced that this is the only remaining set in existence (mine was the last set produced), and they're near mint. So I have a one off set of high quality finished prototype speakers because they never went to market. Apparently Duntech as a company was going through some challenges at the time. Any input before I list them would be appreciated. Can email pics to anyone interested.