B&H Photo Video offers the Samsung 51" 600Hz 720p Plasma HD Television, model no. PN51F4500AFXZA, for $377.99 with free shipping. (Abt Electronics has it for the same price.) That's $20 below our mention from three weeks ago and the lowest total price we've seen for this TV new. (Aside from the mentions below, it's a current low by $49.) Features include 720p resolution, 600Hz refresh rate, USB connectivity, and two HDMI inputs.

A close price: Best Buy sells this TV for $379.99 with free shipping. Sears has it for $379.99 with pickup; otherwise, shipping adds $69.99.

Update: The price has increased at B&H Photo Video; however, Abt Electronics still offers it for $377.99 with free shipping.