I had a very good experience teaching this class in Singapore last year. The students came in knowing virtually nothing about tax law, tax policy, or public economics, but were otherwise strong students and highly motivated, also with a great esprit de corps. And we pretty much hit it off - among other reasons, because they could see I cared. Every year is a completely new vibe, however.
Tourism is admittedly a significant part of the motivation for doing this. We (I'm traveling with my family) will definitely return to Arab Street, the Zum Zum Restaurant, Little India, Chinatown, the Night Safari, the zoo, and the aquarium. Then, in Vietnam, we'll be staying in Hanoi, Sapa (mountains and hill tribes), Halong Bay (beautiful limestone caves), and Hoi An (resort).
I may post pictures from the trip here from time to time.