The current crop of 4K TVs from LG and Sony are large enough that some of us would need to knock out a wall to get them inside. Enter a surprise early challenger from Hisense: its upcoming XT880 line's 50-, 58- and 65-inch sizes deliver that 3,840 x 2,160 picture at dimensions built for mere mortal living rooms. We're also promised a full-fledged, 3D-capable smart TV based around Android 4.0 with WiFi
