I too run and love the Class D sound that Tommy and Digital Amplifier Company produce, having a Classic Cherry. But I have begun switching over to a tube amp in the cold winter months that S.E. Michigan has. Tube amps need care and planning, and tube choice very important to get the best sound from them!!
Plus four KT-120s emit enough heat to take the chill from my cave, as my heat vent somewhat cut off from the room. And room heaters make too much noise so I make do for 5 months or so. BUT of course once the weather breaks its like Christmas in July ... or April as the Cherry once again takes its rightful place ruling the roost! Its like getting a new Cherry amp every Spring, and that in itself warms my heart.