Thanks to the slow food movement, the fine art of food production is making a comeback, and le Chambre aux Confitures, a shop specializing in gourmet jams, is a perfect example.
If you're bored by Paris' concept stores and are ready for something authentic: Le Rocketship Boutique Café has a Brooklyn flair with delicious coffee.
The passage des Panoramas was long favorite of Parisians and today contains an eclectic mix of shops.
The eclectic Passage Jouffroy has a wax museum, photo gallery, bookstore and asian gift shop.
I recently needed to rent a cello to play with the Brooklyn-based band, Laura Stevenson and the Cans on their European tour. Music stores tend to cluster together in cities. A Googlemap search of "luthier" in Paris shows just how many there are, completely overlapping on the map.