I meant to add - until the last 15 years or so, televisions were unreliable things that needed expensive repair or replacement every few years.
This is no longer the case and crt televisions can keep going for many years. Not good for the manufacturer, so they are tempting you to throw out your good 'old fashioned' tv and buy a stylish flat one.
As I already said, you will be losing out on picture quality, if your current tv is in good working order.
A �20 box will make it digital if you don't have sky or cable.