We have just heard that AVSIM is cancelling his FANCON at Washington Dulles. "Registrations and number of vendors committing to attend are disappointingly few.../.", says Tom Allensworth, AVSIm's publisher.
Among possible explanations are the choice of the date, of the location (Washington) and insufficient level of business in flight Sim market. Airdailyx officialy regrets this decision and will support any new initiative of this kind.