Marta's place is absolutely wonderful.
I traveled to Edinburgh with a group of friends and we stayed 2 nights in her apartment. We all really loved the stunning view of Arthur's seat you can admire from all the windows. The flat is also quite big, clean, and cozy, perfect for a group.
The emplacement was also super great, in the lovely old town part of the city, only 20min walk from the train station, and about the same distance from Edinburgh castle.
Besides, Marta was always very quick and helpful in her responses and we enjoyed the little tips she gave us about her city.
Definitely couldn't choose a better place for our travel in Edinburgh!