Best Holographic Speakers ~$7k per pair

Based upon what you listen to, your room and budget, I would strongly suggest Volti Razz. I’m absolutely smitten with mine. IMO for the money there’s nothing I heard when looking to buy 2 years ago that even came close to the power, dynamics, imaging and tonal correctness. Owned. Pair of Klipsch Heresy 4 and they were very good, but at times fatigue set in. Lifelong fan of British brands like TDL, Mission, Tannoy. I was in the fence for a bit, Volti Razz or Tannoy Cheviots. The customer service, the overall sound and the fit and finish of the Volti won me over. 
when I attended Axpona 2025 I walked away from most rooms feeling my set up sounded better to me. (Compromised hotel room listening and all the challenges aside). I did really like the DeVore towers a lot, all the Fyne’s I heard were great, and the PS audio Aspen 5s were wonderful stand mounts. 
But for me there’s nothing better than my Volti Razz. They sound equally great at high or low volume. You might have guessed, I’m a fanboy. So what

T.H.E. Show is coming to Costa Mesa in June.  There will be lots of offerings, though not cheap.

You want to hear soundstage/imaging?  Come on by for a listen.  I'm in Orange County 10 miles north of the John Wayne Airport.

You can hear the Mermans that I've put together (JBL 18"/JBL 9.7"/Modified AMT), or my one-off Super Big Reds, or...

Last year at THE Show, I didn't hear anything that imaged any better than the Mermans, and most nowhere near as well.

https://youtu.be/axP5o643kfI

https://youtu.be/iGa9259pz-I

Goldenear T66’s. Should be right in your wheelhouse.

I think the Martin Logan electrostatics are tough to beat for a real 3D sort of sound field.  At your price point you could get Classic 9’s new or 11A’s used…..I’ve a set of classic 9’s in a smaller but highly treated space and I think the experience is quite amazing. 

I demoed most of the speakers you mention and bought a pair of Charney Companions. They were the most realistic in terms of three dimensional imagery. These speakers are out of your price range unless you can find a used pair but Brian makes a smaller speaker that sells around your price.