We are now back home in California, USA after 2 wonderful weeks in Vienna!
Krzysztof's apartment was as described, modern, nice and airy. Best thing was it was close to everything (stores, bakeries, cafes, restaurants), the metro was easily accessible to get to the city center and any other places you wanted to see and visit.
Everything was available in the apartment to make it feel like a home and not a hotel room. That's what so attractive about having a whole house vs a hotel room. Our host's apartment was well equipped and we didn't need anything more. Besides, if anything was needed, stores were just 2 min walk away as with everything else.
If you wanted to feel like a local, this apartment is just steps away from all things local, stores, daily open market where you can get everything and anything from a souvenir to a bite to eat with the locals.