We just use a 43" LG 4k monitor. It has built-in speakers and no smarts at all. In combination with a Chromecast or similar, it works great as a "TV". I think t

We just use a 43" LG 4k monitor. It has built-in speakers and no smarts at all. In combination with a Chromecast or similar, it works great as a "TV". I think the current model is 43UN700-B, which retails for ~$650. This screen also makes for a killer computer monitor, by the way :)