Marco's place is easily one of the nicest I have stayed at in my 6 so far doing Airbnb. The room you stay in is well-furnished (note that it is a sofa and not a bed, but it is a very large and comfortable sofa) with fun knick-knacks all over. The place is on a main street, and while the noise did not bother me be aware of that if you are sensitive to it. In case you are allergic, he also has two very sweet dogs that stay in his room.
The bathroom is spacious and very clean with a nice layout. The kitchen is laid out similarly, and would be a great place to cook and eat a few meals if you're in town long enough. There is a washer in the bathroom, as well as a scale in case you need to remind yourself how fat you are getting on your vacation.
The location is very close to the museums and a number of great food spots, as well as some supermarkets, so it is a great option if you plan to eat out often, or go into the city.
I only stayed at Marco's place for one night due to a booking error on my part, but I wish I had more time to stay there - great location and stylish place to relax in.