Wow, that is so cool! I am remembering narrow streets and not much open land from my time in Germany-Netherlands-France as a kid--it's hard to imagine how this will work out. I'm sure we'd all love to see a long thread with many photos. Traveling across the Union is so much easier now, and the old eastern block countries are members, too.
So, quit your job and sold your house. How long can you live on your stored fat?
And what will you come back to in a couple of years?
There is another post around here somewhere of a UK couple who are coming to the states to buy a vintage Airstream, fix it up, and full time here, doing things like camp host.