http://theforce.net/latestnews/story/Rancho_ObiWan_Becomes_Nonprofit_142454.asp
Individuals and companies will be able to make donations to help with ROW's educational and creative activities, its gifts of tours to other non-profits and charitable fund-raisers, its public outreach, and the maintenance of the building and collection.
AKA So they can buy more toys.
via:theforce.net