Fired it up! Very, very nice! A couple very quick observations, and then back to playing it for a while:
1) Quiet, quiet, quiet. Top notch. Zero noise... (edit: Of course, if you put your ear to the tweeter, there is a small amount of hiss, but much less than most other amps... my Glock is very quiet also... and it does not increase significantly when cranking the master). So. I guess I should say, relatively zero noise relative to signal.
2) Power... my gosh. It feels every bit the 800 watts into my 4ohm cab (Berg CN212). Very even master volume (must be some sort of audiotaper pot)... just keeps getting louder to the point of I worry about the drivers. So, for those wondering about the output of the Minnie... whew... zero issue there!
3) Tone.... I am very happy that it seems to sit in the place I was hoping it would sit. I'm VERY happy with my two primary gigging heads at this point, and the DeMonique sounds nothing like either of them. Much cleaner/brighter and more open and mid-relaxed than my Aguilar TH500, and much warmer and relaxed up top than my Glockenklang Blue Soul. I am hearing my personal definition of 'clean, all tube tone' with this head so far... perfect!
4) General build quality and attention to detail.... as good as it gets.
5) Front end controls..... can't add much there to all the other great posts. As a quick summary... EQ is very subtle (even though the controls are +/- 20db according to the manual). They do a good job tweaking the inherent tone (subtle softening of the top end, relaxing of the mids or reduction in deep bass, or vice versa). I agree with others that this is 'EQ' in the classic sense of keeping the inherent tone of the unit relatively constant in different rooms, versus any sort of 'revoicing or effect-like impact'. The 'sensitivity control' is a unique design (again, as many have posted).... very little impact on volume once you get it to around 9 o'clock, and just a subtle warming of the tone as you turn it up.... more 'tubey tubey goody goody' as you crank it, without obvious 'overdrive'. Nice, nice, nicey nice nice!
GREAT match with the CN212... punchy, deep, warm, articulate, etc, etc., etc. P Bass heaven at this point.