Welcome and nice setup. I’ve enjoyed reading your posts. It’s cool to have someone with your music/guitar background.
It’ll be interesting to see how things shake out for you and which headphones/gear you ultimately favor/keep. You might find this topic interesting: Disruptive Forces - Liberators & Destroyers of Worlds
I see that you’re also located in Southern California. When it comes time to explore tube amps, I encourage you to check out the fine builders in our backyard: DNA and ampsandsound.