I have a place in Vienna too, my two sons and their family, all Canadian borne, live there. Strange turn of family events.
As far as the swiss currency is concerned, they did not convert to the Euro yet, but my wild guess is not for too long. But please have Gerdon answer that one.
Have also travelled an awful lot and know how it feels now to arrive with $$$. We are now the poor cousins from overseas, looking at every cent.