Very Nice Misha, I wish more items were sold this way, you can only describe so much in text and 2D Images, particularly when there are nuances such as you have described.
Ideal for showing off, as you stated the finer details, there is an Artist that sells his work on Ebay that uses a similar video representation on all his listings, although he uses it more to prove he is the actual artist rather than to show any detail of his product as such.