We had a great family vacation in Alexander's place. We were travelling 4 generations and everybody was happy with the apartment. Not only this apartment is very stylish and cosy, it is also very spacious, what is very rare in Paris.
The apartment itself had everything we needed. Good equipped kitchen with dishwasher, baby bassinet and towels, iron, etc. The living room was the best - great place to gather with family or friends. The condition of the flat is not super-new, but everything functions well and is clean. I would say that it's standard for Paris city centre. Also the sound isolation is very good so you don't hear the traffic from the apartment. And the window view is very nice. All i all you really feel living in Paris and not just being a guest there.
The neighbourhood itself is one of the best in Paris but may be not my favourite. Nevertheless it's very convenient and has many facilities around (supermarkets, bakeries, restaurants, metro, etc). Moreover it is very nicely situated in the city: many sight are just a walking distance away or you can always take metro, which is very close by. There is a nice park just across the street with great children facilities, which was very appreciated by our 1-year old traveller.
All in all I would absolutely recommend this place for big companies travelling to paris and it's also convenient for kids.