A Barchetta in Paris, is a risky adventure. I think the body of the B. would suffer too much of the Parisian way (or "touch") of parking a car in the streets.
Unless the B. can really float on the Seine river ...
I was not aware of the French 'touch parking' practice when we went to France earlier this year. I came back to the wifes car after going into Carrefour on the first day to find a 4 x 4 resting against her car