How do you consume Dolby Vision content? Netflix? 4K UHD Bluray? How big of a difference have you found it to be, especially if you use an LG or Sony OLED since these TVs do their own dynamic tone mapping on HDR10 content?
Interesting tidbit: Dolby Vision works on Xbox One X (don't know about S) with just software support instead of requiring a hardware chip like in UHD Bluray players. Unfortunately, it only works in the Dolby Access app. Looks like Microsoft is being lazy by not implementing it in their Bluray App to support Dolby Vision UHD Bluray playback.