The brand new Hifi+ (issue 112) has a review of the Valhalla 2s. It will show up online within a couple of weeks or so I presume.
"Yes, it is detail-packed, more focused, more clean, more dynamic, more precise, possessed of better inner detail, better microdynamics, and all the things that audiophiles find themselves drawn to, but more importantly it shows you what you liked about your music played through your system, in a more polished and professional presentation. The cost of V2 is steep, but put this into perspective. I know people who have spent the cost of a fairly expensive house flailing around the high-end world, trying endless variations of amplifiers or loudspeakers or sources. All of these products go in, out, and through listeners’ systems with alarming rapidity, yet without bringing lasting contentment.
They also often decry the idea of ‘exotic’ cables because they went through that phase long ago. If they were able to break the ‘hungry ghost’ cycle and give Nordost’s Valhalla 2 a try with whatever pretty good system they had at the time, they’d actually find the need to churn through a dozen DACs was significantly diminished, because the system just hangs together ‘right’.
I’ve shied away from the term ‘coherent cable loom’ here, but Nordost Valhalla 2 is the very model of coherence. It ties systems together in an holistic manner often sought, but rarely achieved. Short of Nordost’s Odin, I can’t think of anything that does this so dramatically. "