From Bose Pro Encyclopedia FAQ & Wiki
South Atlantic States L1® Conference 2008 - Little Switzerland, North Carolina
Rocky Mountain Conference Fall 2007 - Cuchara, Colorado
Midwest L1™ Enthusiasts 2007 - St Louis, Missouri
Bose L1™ Musicians Conference Fall 2006 - Ashland, Massachusetts
2006/04/23 West Coast (Big Sur) L1® Musicians Conference - link to the Bose® Professional Portable Systems Users Forum. The event happened before this wiki went live.