As of today (January 10, 2007), the event has been deleted from Ticketmaster and Henry Fonda Theatre's calendar.
UPDATE 01/19/2007: It's been rescheduled to Monday, February 5, 2007. Click here to purchase tickets. Pre-sales are Friday, 10AM to 10PM. Tickets go on sale to the general public on Saturday, January 20, 2007.