Yeah, I would recommend the Herus DAC. It is a great DAC on its own, but it is also the second cheapest DSD DAC (iFi DSD nano is the cheapest). I never heard DSD before until I tried the iFi DSD, but after hearing it, I cannot go back to PCM. There were a lot of USB issues with the iFi DSD for the first few months, though they did just release new firmware which pretty much fixes those issues. I was given a little extra time by iFi to decide whether or not to keep it because of those issues, so I really took my time A/B-ing the Herus and the iFi DSD. The Herus is the better DAC, but I do like some aspects of the iFi sound better, which is why I decided to exchange the DAC for their amp instead of just simply getting a refund.
But if you already have a quality DAC and an amp, then this interconnect makes all the difference in the world. I mean it is a night and day difference. Even after ordering the interconnect, I felt like I was making a bad call, that it wouldn't make too much of a difference. Even as I was plugging them in I was thinking to myself that there is no way these kind make enough of a difference to be worth as much as they cost, but the difference was immediately obvious, and I was in a bit of shocked disbelief at first. I did some quick A and Bs with some of my favorite tracks and I was in tears of joy after 15 minutes. This was testing with the Shure 535 as I know them very well.
With the JVC, that heavy, overbearingness was lifted and the treble cleaned up so nicely. It even cleaned up the bass just a little bit (has just a bit better control).
I still think the JVCs are burning in though, and I am expecting some positives with the replacement pads. I have about 60 hours or so of burn in on the JVCs. I listen to them after intervals of 12-15 hours of burn in, so I can tell they are starting to calm down a bit regarding this overbearingness, but the interconnect switch has made a significant and instant change. I wouldn't say they are fatigue free yet, but I can probably listen to them for about 3 hours now before needing a break.