What would you say is the must have 4K blu-ray player? I have some Klipsch speakers to buy and am waiting for the new Sony UBP-X800M2 to be released. I now have the Sony XBR55A9F 4K OLED so I want to upgrade the Samsung 4K Blu-ray I had with my Samsung 4K TV. I want both HDR & Dolby Vision so that narrows it down a little. Just would like your thoughts on this.