I stayed here during the New Year's eve time. Hotel Magenta by itself is quite alright. Whole hotel was filled WIFI hotspots. Service was professional in English. At night the door was locked unless you ring the bell to make sure you were a tourist-like figure. I would say the purple / magenta color theme hid its aged building rather well, though personally I would prefer brighter, whiter hotels so the carpets won't look the same no matter it's washed or not.
My room had a double bed with adequate size (not big in any sense but okay). It had a large window facing interior squares facing other apartments which were quite comfortable and quiet. The noises were mainly from the other travelers who returned late or left early, but it was still manageable.
The problem I see are similar to what Paul_Glynis below mentioned: the location. While it was conveniently located *near* 2 RER train stations. You can see clearly that areas near train stations aren't the best place to stay for more than 1 nights in Paris. The fact for this hotel is, we would still need to take 1 subway change to arrive our hotel (or you may walk for 10-15min if you are luggage free). What that means to a traveler with luggage is that, there's not much point to stay near the train station but not close to it because we still had to carry the heavy luggage to travel through those stupid stairs in subway tunnels and exits. On our way leaving Paris we simply took buses transferring to Opera to take the airport bus because we were just so tired to take the luggage with us via subways - which weren't too safe esp in RER train stations. If you have the 120+ euros to stay here and prefer some conveniences to / from airports, this is NOT your choice.
