The LG Electronics 50" (127cm) full HD Plasma TV is offered at The Good Guys for about $100 cheaper than I've seen it anywhere else:

LG Electronics 50" (127cm) full HD Plasma TV - The Good Guys, BuyOnline, Australia

Model Number: 50PA6500

Features 1920 x 1080p Full HD Resolution, 3,000,0001 dynamic contrast ratio, 600Hz MAX Sub-field Driving Triple XD Engine, Protective Skin Glass, Intelligent Sensor, Energy Saving Modes, Invisible Speaker and SIMPLINK Connectivity.