Thought you might like to know that Pipex have a handy way of extorting money out of their customers by telling them that their account is protected by an "excess bandwidth alert" and then turning the alert system off (yes, turning it OFF) when a bandwidth issue arises. Here's a nice little PDF to illustrate the whole sordid process. Right click to download:
http://www.inteltab.com/pipex-bandwidth-bandits.pdf

Gordo