We had a really great two weeks at the Osten's apartment. It is perfectly located, close to the two subway lines, within walking distance from the Central Part and many other interesting places. You can find plenty of great restaurants and groceries in the vicinity. The neighbourhood is pretty safe.
You can find all you need in the apartment. Big and comfy bed, well-equipped kitchen, plenty of books, if you like reading.
Osten is a great host. He welcomed us warmly, gave us all the necessary instructions and was very responsive and helpful. We truly recommend his apartment.