I am planning a 4 week tour of Switzerland staring and ending in Zurich. I am following Rick's route which includes 9 days of train travel between destinations (not counting day trips). Staying 2 or 3 nights in each town plus extra in Zurich. Which rail pass to get? 15 day flex pass? 15 day flex plus half fare card? I want to see a lot of museums that the Rail Pass covers. I also want to take local boat rides and trains up mountains. Or perhaps 8 day flex plus half fare card? Apparently they stopped selling the flex/half fare pass... is that correct?