Yeah Jens, it works differently in the rest of the world.
And registered has no insurance or tracking, it's only recorded delivery.
When I was in the US I used to ship in a flat-rate international envelope, which used to cost 13 USD, but that did not include any sort of tracking or insurance.
Germany seems to have a very good price mail system, this is why Gideon of 1541 Ultimate makes his shipments through Deutsche Post. It is cheaper for him to ship from Holland to Germany then to anywhere else in Europe.