I had a great stay here. The place is comfortable and functional, no real issues when we stayed. It's also in a good area in Condesa, ~10-20min walk from many good restaurants, while still being near the metro. It's not as nice as Roma Norte but I personally didn't mind, and it was certainly safe walking around at night in my experience. WiFi was solid too, it went down one night but was working after ~30mins.
The kitchen and common area are nice, there are two tables you can eat/work on. I wish there was a couch but the chairs are fine.
Noise isn't an issue besides some street noise, as long as your windows are closed. And there's a 24/7 doorman who lets you in which is nice.
The only thing I'd say is there's no dryer or drying rack for after washing your clothes. So you have to put it up on hangers or just on the railing outside, which wasn't ideal. Also, the mattress isn't the most comfortable (and there are only a couple pillows), but I could still sleep fine.