Although we didn't meet Ross personally the commutication with him was so easy, he always answered our questions in short time by email.
The flat was very very clean. We could reach the center in a nice walk in about 30/40 minutes on foot, nevertheless there is a bus stop next to flat that goes to the center. In my opinion, the only negative thing is that fire alarm was really sensitive, when we were cooking started to sound loudly for a minute. Anyway, I recommend this place highly. Definetly, If in the future I came back to Edinburgh, I'd stay again in Ross's flat again.