http://www.ntl.com/locales/gb/en/inv...w-final-vr.pdf
Here is a link for some details on the future of the Ntl network as you can see it only costs an extra 10p per house to change to 256qam which i think is quite cheap and only an exta £1per house for dual channel you just have to remember to multiply this by 100,000 per headend soon starts adding up but is interesting reading anyway has helped me underrstand how the network works a lot better.
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