I went to a blossoming tui shuo group in Davis that's held at Central Park near a busy farmer's market. Great for exposure! other things may be practiced besides PH as well, so come on down and mix it up.
Here's the link to the group : http://www.meetup.com/Davis-Push-Hands-Meetup-Group/events/94650332/?a=co1.3_grp&rv=co1.3