eBay has the LG OLED65E7P 65" Picture on Glass OLED 4K HDR Smart TV (2017 model) for $2249 with free shipping. Features 3840 x 2160 OLED, Active HDR10, Cinematic Color on Perfect, Black Dolby Atmos and DTS-HD decoders, webOS 3.5, 3 x USB.
Amazon has the Sony KD55X720E 55" 4K UHD HDR Smart LED HDTV (2017) for $598 with free shipping. List price: $800. Features 3840 x 2160 (4K UHD), HDR10-compatible, 60Hz refresh rate, Built-in Wi-Fi, Ethernet, Dolby Digital/DTS, 3 x HDMI, 3 x USB.
Has good Amazon Reviews.