I stayed in Salvatore's room for 4 days with my boyfriend to discover Vienna. Good stuff: the room was cosy, we slept like roses, the shower is nice and hot, the room was very hip and you could cook if you'd like.
Slightly less good: sometimes the wifi was wonky (worked fine 90% of the time though!), the bed was a bit harder than our bed at home (but comfortable nevertheless!) and the flat is on the 4th floor with a creepy elevator, so if you don't like lifts and don't like alot of stairs, this flat is no match for you ;) we found it no problem whatsoever and had a lovely stay in this cute appartment! Would recommend to a friend :)