Best Buy offers the Samsung 51" 600Hz 1080p Widescreen Plasma HD Television, model no. PN51D530, for $649.99 with free shipping. (Sears offers it for the same price in-cart with free in-store pickup.) That's the lowest total price we could find by $27. Sales tax is added where applicable. Features include a native resolution of 1920x1080 (1080p), 600Hz subfield motion, 0.001ms response time, two USB ports, two HDMI inputs, and VGA and other video inputs.