Emmanuel's place is awesome!
Everything starts with the neighborhood. The street is really quiet and silent but just on the corner you can be at a very nice street full of bars, pharmacies, small market... and you're really close to many subway lines, specially the Chatelet, one of the busiest in Paris (you can go everywhere from Chatelet station!).
The flat is also super cool and clean. I stayed there with a friend so it was perfect for us. The place is not only organized but also has lots of facilities like hair drier, iron for clothes and even shampoo!!! I couldn't feel more like home :)
Hope to be back and stay at the same place!!!