It looks like MB will up the power on the E55 as soon as next year and have a wagon version...

Translated from German

The E 60 AMG is especially_targeted at the BMW M5. It will be equipped with a V8 supercharged engine producing at least 500HP. It will have the new7G-Tronic and in contrast to the BMW will also be available as station wagon.

Oh man, Oh Man...poor m5!
Can someone comfirm it?