Monics apartment was generally like described. It is located in the heart of Paris, you can get very easy to all the main atraccions, even by walking. Also there are a lot of bars, restaurants, shops, etc. in the same street or just around the corner. But even there are a lot of shops, etc. the aparment is very calm.
There are two things I didn't like a lot. First the bathroom is very, very tiny. It's so small that my boyfriend coulnd't shut the door when he was using the toilette. Also there is no lavatory in the bathroom, so you have to use the one from the kitchenette to wash your face or to brush ones teeth. Also the matress was very hard, I couldn't sleep very well. Monic told me, it is a japonese one. But: for my boyfriend the matresse was quite comfortable, so I think it's just a question of which kind of matress you like :-)
All in all it's a good apartment to stay for a couple of days for one or two persons!