From Hank's site:
For reasons both professional and personal, we have had to cancel this year's Cape Cod Magic Conclave. An extremely hard decision to make, but one in which we had little choice. If you are already registered for the 2012 event, you will be getting a letter from us very soon. We hope to continue the Cape Cod Conclave tradition in 2013, and hope you will plan to be with us.
Hank Lee