This site is running on WordPress.com VIP using a custom theme designed and built by the fine folks at Automattic.
Custom fonts are provided by Typekit, specifically Museo Sans Rounded and Droid Serif.
Event ticketing is powered by the open source CampTix plugin.
The Portland skyline photo on the Portland event page was taken by Wikimedia user Amateria1121 and distributed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
The Phoenix skyline photo on the Phoenix event page was taken by Wikimedia user DPPed and distributed under the Creative Commons Attribution-Share Alike 3.0 Unported license.