Av8r,
We absolutely loved our 2 years there, as many other families have. Not solely because of Germany, but because of our ability to travel around Europe on weeks off. We were under our housing allowance, and lived there with no cars, and we were traveling constantly. Also, my wife (we) made some good German/French friends in Köln, and with other FedEx families too. That made being on the road easy for me.
The flying is similar to the 757 flying found in the MEM bidpack, but there's no Tel Aviv, nor Barcelona-like destinations out of Memphis

. Also, the feeling of a small domicile, where you know most everyone on a personal level, is hard to beat.
I would highly recommend the experience there.