I lived in Toulouse in the mid 1990s, right in the centre. Lovely place, gets hot early on in the year, food and accommodation is cheap. Have been back as a tourist. It's one of those places that is quite nice for a day, but reveals itself over a longer time period (although you could say that...
I've lived in France and Germany, but I've always been pleased to get back home as I've missed English culture, countryside, friends, family, even food. Having said that, it's an interesting experience living abroad. I know some people who live in Spain, don't speak a word of Spanish, left this...