For anyone happy with up to 1080 (prices go a bit silly above 1080, at least in AU) and substantially less-than-vanta-black blacks, but appreciate viewing size (about 2 metre diagonal for us) and not having furniture obviously / perversely oriented around a rectangle that's almost always blank, it's an absolute boon.
Plug it into your RPi, NUC, etc - where the OS / UI 'smartness' is at your discretion - job done.