The Collectair Museum site featuring in-depth explanations of a variety of aviation collectibles in Steve Remington's massive collection. The best site for learning about identification and recognition models and associated materials, vertical flight with helicopters {did you now Cessna made a helicopter?} and VTOL aircraft, vintage kits like the StromBecKer range, art work, books, articles and ephemera. Some of the items are for sale.
http://www.collectair.com/Museum.html