I AM STRUGGLING TO DECIDE BETWEEN SONY KDL40EX503 AND THE PANASONIC TXP42G20. I HAVE SEEN THE PANASONIC IN COSTCO FOR £822 INCLUDING VAT AND 5 YEAR WARRANTY, THE SONY IS £899 WITH 5 YEAR WARRANTY. THE TV WILL BE USED MAINLY FOR SD VIEWING BUT ALSO FOR BLURAY AND OCCASIONAL GAMES. HELP?