For in-store pickup only and with stock varying by ZIP code, Micro Center offers the refurbished Seiki 65" 4K Ultra 2160p LED LCD HD Television, model no. SE65UY04, for $649.99. That's $250 under our mention from last fall of a new model and the lowest price we've seen. It features a 3840x2160 (2160p) resolution, a 120Hz refresh rate, LED backlight, and three HDMI ports.
A 90-day warranty is applied, although it's unclear who backs it.