Believe the pictures. Julian's apartment is as beautiful, interesting, and stylish as shown on the website. The place is full of original art, one picture more fascinating than the next. Additionally, the apartment is spotless. The shower is powerful, the shared kitchen big enough to cook meals if you want to.
It takes 20 minutes to walk to Waverley station with plenty of buses along the route. South Clerk Street is lined with interesting shops and great restaurants and pubs.
The highlight for me was spending time with the host. Julian couldn't have been more accommodating. His friendliness and acute observations made every conversation fun. I can't wait to return and explore Edinburgh some more. And I'll definitely stay with Julian again :)