S90H

PS5 15 in HGIG or maximum in DTM. There are multiple variants of panels on S90D. What RTings had with 1200 nits brightness is not available in Europe. Here only the 65inch size is a QD Oled and that has a "gen3 panel" with only 950 nits of brightness. However it is more resistant to burn in etc. Yes

I think you need to do a little research on what Dolby Vision is vs HDR10. In summary HDR10 is basic and maps HDR values statically for the entire content (it's still very good) whereas advanced HDR can map values scene by scene making it more accurate and dynamic. There is essentially a format war