I am surprised Stace didn't put this here.. There is now a pre-sale site for fans. Philly, DC and Boston tickets are available now.. Here is the link. You have to sign up, but I guess everyone will get the same username and password,
ticketprices are.
Philly-$21-
DC-$20
Boston-$22.50
https://tixx1.artistarena.com/ourladypeace/