magexpect, thanks for all your efforts and the information you provided!

Just wanted to let you know what I finally decided on: The Aparthotel Rigiblick , which seems to be conveniently located, quiet and overlooking the city, and easily accessible by public transport. I got a very bearable monthly room rate there, and best news: The whole work project has been replanned, and now it looks like that I will get the chance to spend the 2 months in Zurich myself. Really looking forward to that.

Keep the fingers crossed that it works out. final decision due next week.