Indeed they are, if you're talking about broadband internet that is. We have a very comprehensive thread about it here:
http://www.cableforum.co.uk/board/sh...=speed+upgrade
I'm going to shut down this thread to avoid duplication, but feel free to ask questions in the one I've just linked you to.

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EDIT
Oo, beaten to it by scrotie ... (is that rude?

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