Today only, Best Buy offers the Insignia 50" 600Hz 720p Plasma HD Television, model no. NS-50P650A11, for $549.99 with free shipping. That's $150 off and the lowest total price we could find. Sales tax is added where applicable. Features include a 1365x768 (720p) native resolution, 600Hz refresh rate, 1,000,000:1 contrast ratio, two HDMI inputs, and VGA and other inputs.