Amazon offers the Panasonic VIERA E50 Series 47" 1080p IPS LED-Backlit LCD HD Television
, model no. TC-L47E50, for $509.42
with free shipping
. That's $41 under our February mention and the lowest total price we've seen. (It's a current price low by $190.) It features a 1920x1080 (1080p) native resolution, LED backlight, VIERA Connect (with media streaming from Hulu Plus, Netflix, and Amazon Instant Video), Ethernet, USB, four HDMI inputs, and more.
Update: Specs corrected.