Can you guys help with a basic question .... ive just bought a plasma so obviously want the best picture avaliable. At present the signal is from an ariel, so i take it its analogue .... If i buy a freeview box, am i right in thinking this converts the signal to digital? or am i better off getting and paying for sky? which i don't really want to do. My ariel is a digital one if that makes any sense what so ever! Cheers guys.