+1 my wife is French too and we are also contemplating moving back when our kids are school age. The big risk is the business climate but more and more I'm feeling excited about going to France and helping change the culture in small ways. Just like the French chefs who came to the US and turned our culinary world upside down, us based tech entrepreneurs can introduce some of what made the valley so successful. France is such an amazing culture. Glad to see that Hollande is taking steps to make it easy to fail and succeed.