Best Buy offers the Insignia 49.5" 4K LED-Backlit LCD Ultra HD Roku Smart Television, model no. NS-50DR620NA18, for $299.99 with free shipping. That's $30 under last week's mention, $100 off, and the lowest price we've seen. It features a 3840x2160 (4K, 2160p) native resolution, Roku TV (with access to Netflix, Youtube, Hulu Plus, more), USB, three HDMI inputs, and a 30-day Sling TV Subscription.