Was in my local Tesco earlier (Wick, Caithness) and they had this Panasonic on offer. Seems a really good price for a big screen, brand name TV. Might be an older model, not sure but it does get good reviews.
* VIERA HD ready 42-inch plasma TV
* 100Hz double scan for ultra-smooth picture quality
* Dynamic contrast 2,000,000:1
* Smart networking with VIERA link and VIERA image viewer (integrating photo and video)
* Game mode, V-Audio surround