We had the pleasure of staying at Alessandro's place while in Rome. We found the location to be ideal. Right in the heart of Monti, the location is nestled among cafes, restaurants and boutiques, and is walkable to virtually every major tourist site. Yet in spite of its centrality it sits on a quiet block away from the hordes of tourists.
The apartment was clean and well furnished. The photos on the listing accurately reflect conditions in the apartment. The unit itself is also naturally very cool (being a basement unit), which is very helpful in the Roman summer, although the unit also has air conditioning and a dehumidifier to further assist with environmental control.
The one major downside with the unit is that, as it is located in a windowless basement, you get no reception there and are therefore entirely reliant on the apartment's wifi (which was honestly not that fast even when it worked). If it goes down (as ours did for two days during our stay), you'll be forced to stand in the street to use your phone. If you're someone who needs a reliable and fast connection to work remotely, this might not be the best bet for you, however if you're simply relying on wifi to check itineraries and social media, than it should be more than adequate.