Zurich: Don't miss it!
Absolutely fabulous city, very clean, open, and outdoorsy. We were only there for 3 days, two nights, and definitely wish we could have stayed longer. There is so much to do and see. Don't miss just wandering around old town, swimming in the river (up stream from Old Town; swimming in the river in Old Town is illegal), and exploring the parks along the river front and along Lake Zurich itself. The Old Town is rich with history, and the churches are lovely. The city seems welcoming to travelers.
Insider Tip:Rent bikes for free (20 Franc deposit) in the train station or near the Museum (immediately beside the train station). You should return them each night (rental closes at 9:30 pm), but you receive your deposit back and can rent again the next day. The city is easily walkable, but also definitely made for biking, and biking is the fastest way to see the city.