The 2012 USA National Championship Notice of Race has been published and the signup period is open.  The event is hosted by the Santa Cruz Yacht Club, May 25-27.  The NOR is available at the above link and also on the Santa Cruz Yacht Club website:

Key date to keep in mind: May 2, 2012  after which a late fee will apply

Registration is online, see the NOR for details.  CharlieRoskosz is the Regatta Chairman and Beau Vrolyk is Principle Race Officer, as they will be for the World Championship in September.  Of course, Santa Cruz will be hosting that event and we all get a chance to get some Flying time at Nataionals.