If you are getting the maximum download speed of which your t/p line is capable (2mb) at least at some time of the day then there is nothing wrong with your wiring. You are simply experiencing a common problem - the internet gets over crowded at certain times. You might get a better service from another ISP but it's very much of a gamble.
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Do you know that we're all in line for succession to the throne? Really?
Well, if forty-eight million, two hundred thousand, seven hundred and one people died I'd be Queen.