We just returned from Rome after spending a couple of nights in Cristina's apartment. Overall we thoroughly enjoyed or stay and would highly recommend Cristina's place for anyone visiting Rome. In summary:
Location - the apartment is located in a secured compound that contains several apartment buildings. The walk to the subway is approximately 5 minutes. We had no concerns with our safety and spent much of our time walking. Although it is a relatively short walk to the Vatican (less than 20 minutes) you would likely wish considering taking the subway, bus or taxi to the Forum and Coliseum. The apartment is about 20 minutes by foot to the Prati neighbourhood (plenty of shops and restaurants). For anyone wishing for a quieter location and isn't afraid from walking the location is ideal.
Room - We had plenty of space with a lot of windows. We preferred opening the windows and not using the A/C. The kitchen and living room gave us ample space - the full size fridge is nice. Wifi worked well, bathroom had a very good shower and the place was very clean.
Communication - although we never met Cristina she provided excellent directions and had someone met us for our check-in - we were able to get in a few hours early. Cristina was very prompt in answering all our questions about the apartment and area. She took the extra time to arrange a cab for us on our departure - this was appreciated. As a host Cristina was very good
Overall we were very happy with our stay and would not hesitate Cristina's place to anyone visiting Rome for a few days or a few weeks