Here is a post from another thread with feedback from the MBOA camp that I attended in June. I'll give you the feedback that Que'z and the other observers give me from Level One as soon as I can.
This is the website of Proactive Referee Camp, a high-level teaching camp in the Philadelphia area staffed by multiple NBA and NCAA officials, including Mark Lindsay (director), Duke Callahan, Ed Malloy, Rob Rorke (also Court Club Elite), Joe Lindsay. Other current observers/former supervisors include Al Battista, Ed T. Rush (Court Club Elite founder), and Dave Libbey. This is the camp that shows up first on the NBRA website on the
training camps page.