We spent two wonderful days in Noras appartment.Unfortunately we did not meet her in person,but she was alwalys available on the phone and cared for our well being.The description of the flat is accurate and we had a great time.We would not hesitate to visit Noras place again.
For anybody who likes to discover Vienna by bycicle: we used rental bikes from https://www.dieradstation.cc and found that they have good value offers.