Picky

I have a very picky brother (and yes, we are actually related). Have invited him to Zürich for his birthday. Promised I'd take him out to a nice restaurant. The four top restaurants according to google wasn't enough choice for dear bro. His answer was something like "I'll think about it". So had to ask a friend which one really is the best. Apparently this one: http://www.kunststuben.com/ This won't be cheap...