December 4-6, 2007 - San Diego, California
July 24-26. 2007 - Philadelphia, Pennsylvania
March 20-22, 2007 - Lafayette, Louisiana
October 28 - November 2, 2006 - West Palm Beach, Florida
July 18-20, 2006 - Durham, New Hampshire
November 1-3 , 2005 - Pensacola, Florida
July 26-28, 2005 - Durham, New Hampshire
April 12-14, 2005 - Annapolis, Maryland
December 7-9, 2004 - San Jose, California
July 19-23, 2004 - Ann Arbor, Michigan
December 8-11, 2003 - Portland, Oregon
August 18-22, 2003 - Baltimore, Maryland
May 13-16, 2003 - Chattanooga, Tennessee
December 9-12, 2002 - Phoenix, Arizona
July 16-19, 2002 - Denver, Colorado
February 4-8, 2002 - St. Petersburg, Florida
June 3-8, 2001 - Madison, Wisconsin
February 6-8, 2001 - Dallas, Texas
August 22-24, 2000 - Tacoma, Washington
February 16-18, 2000 - Atlanta, Georgia
January 1999 - Phoenix, Arizona