Best Buy offers the Samsung 51" 600Hz 1080p Plasma HD Television, model no. PN51F5300, for $499.99 with free shipping. That's $28 below our December mention and the lowest total price we've seen. (It's a current price low by $120.) Features include a native resolution of 1920x1080 (1080p), 600Hz subfield drive, USB, and two HDMI inputs.