FWIW, Jeff Dorgay at Toneaudio said he was "hypnotized by the mixture of drive, clarity, and sheer space that [the SIT-3] delivers", driving the Sopra No. 3's. Also said it was "the cleanest window to music" he's ever experienced.
http://www.tonepublications.com/whats-new-homepage/worlds-best-amplifier/
http://www.tonepublications.com/whats-new-homepage/worlds-best-amplifier/