The tour dates are this weekend and next:
http://www.firesigntheater.com/announce

Some Tour notes:

A fan flying in to Portland has an extra ticket for Friday, the 28th:
http://www.firesigntheater.com/msgboard/messages/529.html

Mark Peltier wants to know if better seats than what Ticketmaster has
to offer will be available for Seattle...anyone know?

Come to the Thursday night chat and see who will be at the tour!  Many
newsgroup and chat "regulars" will be in Seattle for the Sunday show.
http://www.firesigntheater.com/chat

Mr. Stones will see you now -- You CHEAP WHORE!
  -- Firesign Theatre