A power cable upgrade - helped fill in sound stage / added sense of power, and a shiny new Xeon processor for my now dedicated streaming PC.
A real - whoa ... whoa ... whoa - moment. Going from a powerful Laptop with good sound - tone / detail to more defined soundstage / bass / detail - hi thru lo - but the sense of power is remarkable. Between the power cable and chip it seems like I also gained ~ 15 db in headroom ... the brute force of the added 12 cores is unmistakable.
I for one would be interested in how the dedicated streaming box @sns develops ...