Nice and cozy apartment. One thing to note is that there's not much daylight in the apartment since the windows are facing towards an inner courtyard (which is typical for a lot of houses in Vienna). But if you're out of the apartment during the day, this shouldn't matter anyway :)
Dino is a friendly, unobtrusive host. He's working in a coworking space next to the apartment. There's also a cafe where you can get a decent cappuccino in the morning.