The stay was just great!! The cleanliness and the quietness of the flat contributed a lot to make us enjoy Edinburgh (which is a great, great city!), not to mention the warm welcome of Brett's mother, her availability and her delicious homemade breakfasts. She is a very lovely and smiling person, and being in Brett's appartment was really one of the nicest aspect of our trip.
Moreover, the place was much more central that what we thought (10-minutes in bus from the very center of the city) and well served
My girlfriend and I would be glad to come back there if we go back to Edinburgh (which I hope will happen very soon!!)
I would strongly recommend not to hesitate in staying there! This is the place to be!