Walmart offers the refurbished Panasonic VIERA 50" 600Hz 720p Plasma HD Television, model no. TC-P50X5, for $399.98 with free shipping. That's $29 below our mention from a week ago and the lowest total price we've seen for this model. (It's also among the best prices we've seen for any 50" 600Hz 720p Plasma HDTV.) It features a 1024x768 (720p) native resolution, 600Hz sub-field drive, USB, and two HDMI inputs.

Of note, no warranty information is provided.