Well, I got curious how good my connection really is, so I did a (flash based) browser test on speed.io. The result is rather bad: 6MBit/s down and 300kBit/s up, while I pay for 16MBit/s down and 1MBit/s up.
I’ll move to Wilhelm.tel and pay a little more for 100MBit/s down and 5MBit/s up 🙂