only def techs I have heard I was incredibly disappointed in, however it probably had to do with the set-up in the showroom. First, audio at Myrtle Beach sucks. The dealer near me that carries B&W, Denon, Rotel, Def Tech, and Pioneer Elite, never has anything set-up, and no sales person who seems to know what they have in stock, what something costs, or when they will get more in. I went in once and they did have a set-up with a Denon 21xx receiver and the cinema 100. It hurt my ears (and I normally like speakers a little on the bright side). I didn't even want to check the balance or tone controls. .
The only one of their showrooms that they had up was powered by an Elite vsx-45tx This was this past December. Didn't have the 55, much less the 56. They did have a Denon 3805, but not hooked up, it was out so they could show people. I finally just quit going in there. Closest Tannoy dealer is 6 hours away. One of the local pro businesses can order them for me and will give me a good deal.
Most of the dealers down here seem to specialize in custom installs, so they don't really do showrooms. You look through a catalogue and pick what you want. It is very frustrating.
There is a Tweeter about 2 hours away, but the seem only to be interested in selling plasmas. So I am looking at taking a chance. I know it's a high dollar chance, but when you drive 2 hours to audition receivers and the "knowlegeable" sales person tells you that the Yamaha RX-V2500 really isn't designed to power speakers in more than 4 rooms, but the Denon AVR-3805 will power speakers in every room in my house (without asking me how big my house is, or how many rooms I have), and "oh, yeah that Martin Logan speaker isn't working. We don't really know why, but it's been down for several weeks," I would almost rather do net research and take my chances. I am a fairly patient man, but it really tests my stupidity tolerance.