I’m not familiar with the components you have, so I can’t really judge if the Node is actually the weakest link.
An honest statement - but to put in perspective, the Node is 1.5% of the total investment. (I realize cost isn't everything but the rest of the system is pretty sweet)
I've decided to add the Black Ice tube external DAC to the Node - they offer a 45 day no risk trial.
Thanks a lot for the link to the Node PSU upgrade - I will definitely take a hard look at it. Voiding the warranty is a minor concern. btw I emailed back and forth with Alvin as the Denafrip ARES 12th was on my short list. He seems honest and definitely responsive. I may end up with the Dena if the Black Ice doesn't do it for me.