If you want the best of location in Paris, then this is it. Literally. Location as in the convenience of being in the heart of Paris and walking distance to everywhere. But If you are a tall person, or if you are from Canada or USA be aware that the place is SMALL according to north American standard.
The check in was very easy. Katia was very helpful and Lincoln is really good at communications with you.
I suggest you bring ear plugs because the walls are thin and you hear everything, and I mean everything the next door neighbors do, especially late nights! and that can keep you up.
But in-spite of everything, I will be staying there again simply because of the location.