Basically, it's a digital reciever box, with an operating system installed, and a program. My friend sell's one every known and then. When you plug it in, you leave it to scan, and you recieve every single channel. No matter what TV package you are on, you recieve every channel. It's called a "D-BOX2" i believe. Just checked ebay, and there is a few there, but without talking to my friend more, i wouldn't know if they come recommended. They are of course very illegeal, and Sky are even showing adverts about them now, but as far as i know, D-BOX's are un-traceable on NTL, just make sure you hide it when an engineer comes out. The one's my friend sold, went for quite a high price i believe (near 170 i think), but with downgrading to a basic TV package, you can easily pull it back.