In my admittedly limited experience...
If you get the chance to go somewhere that people do not do it the same way we do it, GO THERE AND LEARN!!!!!!! It will expand your mind as well as that of your family. Different ways of thinking lead to creative ways of thinking and you will be able to develop a more creative way of life as a result. Having some German blood, I can tell you that while well recommended as it is, you will find some aspects of German life/thinking which are seriously in need of a rethink and your American prospective will serve you well. Last and most importantly not least, your kids will internalize the fact that ours is not the only way to solve a problem and they will flourish compared to their "American Only" peers.
Best of luck in your adventure!