The Samsung 42-inch Plasma HDTV (model no. TH42PZ80U) is available at ButterflyPhoto.com for $929.  That's the lowest price we have seen on this HDTV by around $166.  FREE shipping is included and sales tax applies for residents of New Jersey.

Samsung's PN42B450 42-inch HD plasma TV is priced at $719 with FREE shipping at BuyDig.com.

The Panasonic 37-inch LCD HDTV is available at Buy.com for $699.99 with $37.42 for shipping. 

The Samsung 42" Plasma HDTV offers full HD 1080p resolution with new anti-reflective filter, deep color technology, a 20,000:1 contrast ratio and SRS TruSurround XT technology. Included are three HDMI Connections, HDMI-CEC, 2 Component Video Inputs, S-Video and Composite Inputs as well as PC Input, USB 2.0 and Optical Digital Audio Connection. It is backed by a one year warranty from Samsung. Dimensions: (H) 28.6" x (W) 41.3" x (D) 12.9" ; weight 70.6lbs.