Price: $599.99
Worth: $799.99

Instructions:
Use coupon code 24HRSALE84E for an extra $100 discount! (25% Off)

Product Description from Sceptre.com:
42″ Viewable LCD 120Hz Effect TV
Refresh Rate 120hz for  Video Effect & 60hz for PC
Aspect Ratio 16:9 Wide Screen
Brightness 500 cd/m2
Dynamic Contrast 16000:1
Typical Contrast 4000:1
Response Time 4 ms
Viewing Angle 178 L/R, 178 Up/Down
Backlight Lamp life > 50,000 hrs

Price: $649.99
Worth: $799.99

Instructions:
Use coupon code FOJ4285 for an extra $50 discount! (19% Off)

Product Description from TigerDirect.com:
The new Samsung PN50C450 50″ Class (50.2″ Diagonal) Plasma HDTV offers great value and features smartly wrapped in an attractive “piano key black” cabinet. The Samsung PN50C450 comes with 600Hz subfield motion technology, 3 advanced HDMI inputs that feature our Anynet+™ (CEC standard) technology for system control of your DVD or Blu-ray Disc® player a one-touch operation. New for 2010, all of Samsung’s plasmas feature our new E3-panel single filter design that delivers improved performance, meets the new ENERGY STAR® power consumption specifications, and eliminates off-angle blur making the sharpest of details like scrolling text easier to see and read. Experience the performance of Samsung’s new PN50C450 plasma HDTV that’s both easy on the wallet and the environment.