Roku announced its first self-branded TVs at CES last year, and as expected, the main emphasis was on budget pricing and providing a solid, dependable product. Above all else, the Roku Select and Plus Series TVs were a vehicle for getting Roku’s software into even more homes. But the first-party Roku TVs fell a bit flat in terms of picture quality compared to sets from TCL, Hisense, and other TV makers that play in the same pricing…