For those who want the picture in a few crisp bullets: Overall sound signature is neutral with the flexible AMP selection influencing if the sound signature stays neutral or leans to the warm end of neutral Nutubes do warm up the sound but will fall short of a true tube AMP (comparing against my WA7 3rd generation) Excellent technical capabilities – lots of detail retrieval and a huge soundstage Smooth user experience due to solid SOC choice and good firmware, great screen Well built with good battery life (~8-9 hours) For those continuing on, I...