Need recommendations in Paris
Let's start with the 6th since that will be the centre of your temporary Paris universe. La Cuisine de Philippe on the rue Servandoni @ rue de Vaugirard... although it seems to have received accolades in some guide books judging from a recent influx of tourists, it remains at its core a very germanopratin restaurant du quartier... updated classics... great value/ lovely cadre. Le Bistro de l'Alycastre on the rue Clément near the Marché Saint-Germain...very classic bistro/ trad cuisine with modern twists... somewhat pricey but worth it. Bastide d'Opio on the rue Guisarde... provençale cuisine... better mid-week when the usual crush of Friday- or Saturday-night fevered suburbanites is less intrusive throughout Saint-Germain des Prés... great value. Le Petit Verdot on the rue du Cherche-Midi... Japanese owner (who used to be the sommelier at one the best chateau restaurants in the Médoc)/ Japanese chef... French classics with Japanese sensibility... lots of local regulars. L'Ecume des Bulles on the rue des Quatre Vents... shellfish... great vibe... lots of locals.
For somewhat upscale, Les Climats on the rue de Lille near the Musée d'Orsay... too new to have been canonized by the NYT... great cadre... highly styled dining room + conservatory + delightful garden for lunch if the weather is good.
For the 5th, Au Bon Coin on the rue Collégiale is much recommended and has been recently reviewed on this board by Talbott le Vénérable and others. I'm also a big fan of Liliane on the rue Gracieuse near the Place Monge.
For way off the beaten track, le Bar Fleuri on the rue Plateau near the Parc des Buttes Chaumont in the 19th... a very old-fashioned and timeless bistro du quartier... food is hardly mind-blowing but above average for the genre. For other options in the 19th, see http://chowhound.chow.com/topics/8633...
If you do make it to the 19th, the Parc des Buttes Chaumont is one of the most delightful parks in Paris... and great views. The nearby Mouzaïa quartier is one of Paris' hidden treasures... a network of small lanes lined with 19th century villas... bucolic and utterly charming... and tourist free.