I use to install a lot of TVs with Roku built in (TCL being the recommended if someone wanted to go that route). But after all the BS this last year with ads, motion crap that can't be turned off, etc... I no longer recommend anyone get a TV with Roku built in. Under any circumstances.
At that price point: Samsung, LG, Sony, just don't have anything good. That is their entry level crap and it shows.
TCL has the 55Q651G.
1) It's Google TV based. You can add an external Roku cheap, which is the preferred way. Or maybe they'll like Google TV and just use that.
2) It's Quantum Dot at a great price. Although there is recent controversy that the Quantum Dot used by TCL maybe fake. It still looks better than anything from the big brands at this price point.
3) ALLM for gaming.
4) Can be had for $318 everywhere right now.
[Link: amazon.com]