Panasonic VIERA TC-L42ET5 42" 1080p 120Hz 3D Full HD IPS LED-LCD TV w/4 Pair of Polarized 3D Glasses for $599 + free shipping
Free Super Saver shipping, and, if you have Amazon Prime you get free 2 day shipping.
Free 30 day TV returns.
TV low price guarantee: If you find a qualifying site that offers a lower price within 14 days after the date Amazon ships your order, let them know and they will credit your original payment method taking any differences in shipping and promotions into account. If Amazon lowers their own price within 14 days after they ship your order, let them know and they will refund you the difference as well.