This was my first AirBnB experience, albeit not a pleasant one.
Pros:
The apartment has an awesome location, close to Saint Germain metro station and with restaurants and clubs easily accessible.
Cons:
The wifi didnt work. Contacted the owner about wifi issues, but apart from blaming it on the telecom companies and asking to wait for a day, no action was taken. The bathroom didnt even have basic necessities like hand soap. Eventually after a day's wait, I contacted airbnb for refund and moved out into a hotel.
Bottomline - if everything works out, this apartment could be an awesome place to stay, however, if faced with a situation like ours, you may be left in the lurch considering owner's unresponsiveness.