You will not understand the magic of this place until you realize it is located steps from a channel of the Danube and especially because Vienna's public transit is unparalleled. It is amazing. Thus, although I wanted an apartment closer to the Old Town, the proximity to transit and the large Praterstern station (for trains, subway, streetcar, and busses gives you very quick access to all the main places you will want to go. Highest marks for this amenity.
The apartment itself is spacious, has a new washer, good beds, nice fridge, microwave, is on the ground floor, has a grocery right around the corner, and is a fine place to dwell short or longer term. It has a new shower and is well-stocked.
Rainer was very cooperative and responsive. He even helped us get a replacement key on a Sunday when we locked ourselves out.
We loved it!