Synergistic Research HFT's


Not to open up a can of worms but I am reaching out to people who actually have tried the SR HFT's or Black Box.  I am building a new house and my two channel room is my great room / kitchen.  The dimensions are 20'W x 40'L with 16' cathedral ceilings.  This is not the best 2 channel room but it worked well in my last house.  So the question I have are there any tweaks that I should be considering to improve the overall sound performance?   I know the obvious answer is Acoustical Panels but that won't fly in my house.  I already have all of the Perfect Path Technologies products for my system.  I already have SR Blue Duplex's but might change to the orange.  So now I am looking at what I can do to improve the sound in that kind of room without Acoustical panels.  The rest of my system includes:  Canary Audio Grand Reference 2 mono amps, C1800 Pre-Amp, InaKustic 3500P Conditioner, Lumin X-1 Dac/Streamer.  My cables are all upgrades also.  I have been looking at the SR HFT's and Black Box.  Comments?  
willgolf
I would try synergistic UEF Panels and Dots - very musical - put em on the walls as outlined in instructions for a couple of days - and then remove the panels - the sound stage collapses. You will want them back in. 

I tried the  HFT's - they work as  advertised. But I preferred the UEF panels. YMMV. 

I have 8 UEF panels and I think 10 dots. 
Hoping if anyone can advise. I have open back speakers, i intend to buy the HFT speaker kit to place on the speakers. For the walls, which would suit open back speaker, the HFT or the UEF Dots?

I am from Australia so it would be hard to make use of the 30 days trial.

I dont have a dedicated music room so it is an all in one TV, home theartre lounge room so there are 2 sets of speakers the open back only for music and HT LCR and surrounds.

I have 3 sets of the standard HFTs. I can confirm what was stated above they work as advertised.
Does anyone even know how these things work?  I can't find much information even on their site.  Are there other companies making similar products?  I just don't understand how a small dot can influence so much.