First off given that I will be sightseeing as well is it worth the extra weight to take a dedicated cycle shoe and a walking shoe or is the extra hassle of having something else that can go wrong not worth it?
I'm wondering what are some good combinations of pedal and shoe for touring. Should I go for a dedicated touring pedal like the A520/A530? I don't know anything about shoes so some recommendation would be good there as well. I will be touring japan in the summer so it will be warm but still possibly quite wet.
Finally, how hard is a pedal/shoe combo to set up correctly for comfort? Is it something that's worth getting done in a shop? I have a good LBS and they will most likely do a basic set up for free.