Way over-budget for your taste I guess but I still wanted to make a note here for representation sake. Look into the brand Zidoo. I have Zidoo Z9X 8K, it’s the best client I could dream of! ~250$

Cons:

• Android based (outdated AF but still)
• Maybe not so secure (http server always on while the device is on, atm)

Pros:

• Very good support of Dolby Vision, 4K (8K maybe?)
• Very pretty, both hardware and software very polished IMO
• The remote is glorious, tactile with backlight
• Lots of other cool things
• Very snappy Android experience
• it just works™
• The audio downmixing works great, compared to the Google TV which was very bad
• First party Jellyfin support among others

Very well built patches and ways to share them. This is a good thing for gaming as we can try bleeding edge like Arch. But without having to rely on AUR or scripts to copy locally. Thanks to Nix Flakes you simply reference the flake someone shared (after double checking what is in it) and rebuild a NixOS derivation and voila, patch installed. I installed a complete SteamOS in 1 minute with this, reboot and everything works. Even with your locally signed in Steam account 👌

There is a Gnome/KDE installer too now ;)