Location is exceptional. Only if you stay in the Cathedral you'll be more central. We were worried that such a central location will bring with it street noises but the apartment is exceptionally quite even on the weekend nights when every body is out in the streets.
We didn't meet Francisco because he had to be out of town and we came later than planed but a nice lady from the building awaited us at the street door and showed us to the apartment. We were in constant communication with Francisco and he made sure every thing went smoothly. Our flight out of Mexico was late at the evening so Francisco arranged for us a place to put our luggage until we had to go to the airport late at the afternoon. We got a very good list of recommendations from Francisco and all those we tried were spot on. Thanks Francisco, we hope to return later this year.