Walmart has the JVC LT-55UE76 55" 4K Ultra HD 2160p 60Hz LED LCD HDTV refurbished for $277 with free shipping. Features 3840 x 2160 Ultra HD resolution, 6.5ms response, 300cd/m2 brightness, 60 Hz refresh rate, 3 x HDMI.
Has good Amazon Reviews.
Walmart has the Sharp 60" 1080p WiFi LED LCD Smart TV (LC-60N5100U) for $430 with free shipping. List price: $700. Features 60" LED panel with a 1920 x 1080 full HD resolution, wide 178-degree vertical and 178-degree horizontal angles, built-in digital tuner, USB and 3 HDMI inputs.