Going to try digital

"1) AQVOX switch added to the router
2) 0.5m Wireworld Platinum Ethernet cable from switch to isolator
3) EMO EN-70e isolator
4) 1.5-2m Wireworld Platinum Ethernet cable from isolator to PC"

Steve,

That’s $2.5 to 3k worth. I don’t doubt is the cutting edge, but how can I get 50% of the improvement for 25% of the cost? What’s the pecking order if prioritizing this list?

Change the Wireworld silver cables to copper with silver plating.  That will save a lot of money.  Not as analog, but very good.

I definitely don't have the tech knowledge that you guys have, so I'm always learning thru your treads.  But due to the horrible wifi in my home, I used cat 6a shielded thru out. I grounded my punch panel in the basement. I never heard any electrical noise at all. I use the dac in the blue Sound 2i for now and will eventually in the near future use the dac in the anthem preamp via optical once I purchase it. But the blue Sound 2i sounds great to me. And I enjoy the simplicity of blue sound. There maybe other solutions,  but I am not a very good tech guy.