Ive gone from looking at a 42" to a 50" and now back to a 42". Im looking at the pdp428xd and the th42px70(is that the latest panny 42") I am going round in circles and am driving my wife mad. Im looking at spending alot of money and want to make the right choice. Ive got standard sky and dvd player and dont watch a tremendous amount of sport.which one "please help"!