I watch a lot of his vids. As a payer of Destiny 2, which implements HDR (Although very poorly), his adjustment guide was great.Vincent on youtube will likely do a comparison of the new consoles against dedicated UHD players.
How does HDR look in your TV given the lack of support for DV?
As far as HDR and lack of DV support, you'd be hard pressed to tell otherwise. Admittedly I was a bit worried as I have a tendency to hyper focus on visual details however, this picture does not disappoint. Even my wife who is not an AV nerd said "The picture looks great, it's very.. contrasty."