Eftihia's place was awesome. It was exactly as described and more. It truly is a 15 minute walk to one of the Acropolis' entrances, and the whole surrounding neighborhood is beautiful, quiet, and safe, with tons of restaurants.
Eftihia was great at communicating throughout, including prior to my arrival when she coordinated a taxi to be waiting for me at the airport (Vasilis was so friendly and gave me great recommendations on what to see and where to eat.) She also gave me some great recommendations for where to eat, including the two best meals I had during my 9 days in Greece.
I highly recommend this place and hope I can return!