Best Buy offers the Insignia 51" 600Hz 1080p Widescreen Plasma HD Television, model no. NS-51P680A12, for $599.99. Shipping adds $69.99, or opt for free in-store pickup. Even with shipping, that's $200 off list and among the lowest total prices we've seen for a 50" 600Hz 1080p plasma HDTV. Sales tax is added where applicable. Features include a 1920x1080 (1080p) native resolution, 600Hz refresh rate, 350cd/m² brightness, 0.001ms response time, two HDMI inputs, and DVI, component, and other video inputs.