Walmart offers the Samsung 57.5" 4K Flat LED Ultra HD Smart Television for $448 with free shipping. (Best Buy has it $2 more.) That's tied with last week's mention as the lowest price we've seen. (It's the best deal today by $209.) It features: 3840x2160 (4K, 2160p) native resolution 802.11ac wireless Smart Hub (with access to Netflix, YouTube, Hulu Plus, more) Bluetooth USB and two HDMI inputs