my ISP gives me 12Mbit/sec and that was fully utilized.

Usually, it's all the other Internet users who kill your available bandwidth, so you might want to stop them while downloading.

Just click the button at http://www.turnofftheinternet.com/
(I guess Sam knows this one too)

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Usually I'm wrong. But to be effective and efficient, I don't need to be correct or accurate.

visit www.aRtBeeWeb.nl (works) or Missing Manuals (tutorials & reviews) - both need an update though