What's the greatest bargain in SET these days?

Actually, I believe that Brownsfan's Inspire KT66 is a SEP, not an SET. I tried Dennis' Inspire KT88 SEP with my 91 db efficiency speakers, and the sound was very disappointing. I really wanted to love that amp, I thought it would mate well with my Cary SLP-98P F1 preamp.

I tried all sorts of driver, power and rectifier tube combinations to try and get it to open up, alas, I could not get decent sound in my room. To his credit, Dennis gave me a full refund. I do know of others that love his amps, so it is still probably worth a try, even though it did not come close to working for me.

08-28-14: Brownsfan
Please let me know how the KT88s work out for you. If one could address the soft muddy bottom end, this could be a pretty nice amp. I really liked what I heard north of the mid bass.

I don't think so Brownsfan, at least not in my room with my speakers, it didn't even come close to being a pretty nice amp. I really wanted to like it too, mainly due to it's ability to play with different tubes. Mine was the KT88 version and came with a pair of Gold Lions. I also tried 6V6's. I used 6SN7 and 6SL7's and had slightly better results with the 6SL7's. The soft, muddy bottom end and rolled off high's weren't the only problems with my speakers though (91 dB, 8 ohm). The soundstage was the size of a postage stamp, I never heard my system sound so constricted. Dennis was sure the amp was damaged in shipping, so I sent it back for him to test, nope, not broken.

I really loved working with Dennis, his energy is contagious! He worked with me on custom colors and tubes, but I just could not get that little amp to open up and sing. He refunded my money, so in the end it was a fun experiment, but just wasn't meant to be, for me anyway.

As for KT88's Dennis seemed to like the Northern Electric version, but I wasn't going to spring for $180 per tube unless the sound had more potential to start with.

@Rebbi, I have a VAC push-pull tube amp that has adjustable global feedback from 0-5 dB in 1 dB steps. The manual recommends trying them all as it is simply a means of matching the amp to the speakers. Sort of like trying various output taps or tubes.

I tried all 6 positions and found that my speakers sounded best with the 0 dB feedback. As I increased feedback, I noticed more high frequency detail, but at the expense of rhythmic bass drive. The music became thinner and drier.
Who knows? Maybe if I change speakers some feedback may sound better. It is all about amplifier-speaker interactions. I do think that it is a nice feature to have though, adjustable negative feedback, as it does allow for some wiggle room when matching amp to speakers. I wish more amps had this ability.