Don't trust the look of a panel in currys/comet etc. They are playing high definition feeds which are split between all those screens, and some aren't set up correctly for the best picture.
You better off checking the
www.avforums.com
lots of good advise on there, I haven't kept up to date with tv's since getting my 32" philips lcd in the jan sales. But a good place for prices is
www.lcd-tv-deals.co.uk and the WLT series is ment to be a very good panel.