Myself and two friends stayed here for a weekend catch up and it was perfect. The location is excellent for accessing the city (literally a 15 minute walk and you are on Princes Street), the area is quiet and the view is lovely. The beds were super comfortable and the shower was hot - perfect :)
Communication was excellent, the online guide to the area was really helpful. Check in was very straight forward. I would highly recommend staying here if you are planning a visit to Edinburgh.