Where is the demonstration kit? All I see is the basic Rainbow with the standard attachments. The only thing that is really rare at all is the Polichamp polisher, but other than that, I don't see anything all that unusual. I've seen old Rexairs on ebay with more rare stuff than this one. I think the seller is trying to embellish their listing to make it seem like its worth more than it really is. I see they lowered their price to only 299 now, whew! What a bargain!
Chad