This is a GREAT apartment! It was perfect for us.
It is in the old city of Paris, just off of rue Montorgueil and Saint Denis, which is an area full fun, hip boutiques, bars, and restaurant. It is next to Les Halles, Centre Pompidou and close to the Louvre area. It's a small apartment but perfect for two or three. The bed is comfortable, the bathroom is big enough for a tall person to shower comfortably (if you've been to Paris before and seen some of the tiniest bathrooms with teeny shower stalls, you'll appreciate this one!), and the apartment has a nice book, DVD, and CD collection. Cedric is very responsive and willing to help in any way he can. If you arrive early, before check in, he can take your luggage so you can walk around the area. We had a great trip to Paris and a lot of that had to do with the apartment.
Bonus, there is a washer dryer so you can leave with a suitcase of clean clothes or pack a smaller amount so your bag isn't a behemoth you have to lug through the cobblestones of Paris. How often do get the chance to do laundry while vacationing?
Oh, also very important (for us), the flat is a block away from the oldest patisserie in Paris, Stohrer. It is an amazing place for viennoisseries like croissant and pain au chocolat.
Rent this apartment! You won't regret it.