Sears offers the Zenith 50" 600Hz 1080p Widescreen Plasma HD Television, model no. Z50PV220, for $549.88. Opt for free in-store pickup to avoid the $69.99 shipping charge. That's $150 off list, tied with our mention from last week and the lowest price we could find. Sales tax is added where applicable. Features include a 1920x1080 (1080p) native resolution, 600Hz refresh rate, 2,000,000:1 dynamic contrast ratio, three HDMI inputs, plus VGA and other inputs.