I certainly understand many people's desire for a high quality theremin. Some people may feel it is worth that kind of money, but I can't say that I do.
While I do like the player's side of the Etherwave Pro, I think they missed the mark on the audience side of the instrument. The "special addition" was a definite improvement over the original plain black back, but I believe it sets a bad precedent and may work against them with the release of their next model.
With the release of their new model, some people may again hesitate to purchase early on thinking they will wait for the “special edition” to be released. Again, they may wait too long for something that may not happen only to find that it’s been discontinued.
Many made that mistake when they balked at the price of the Etherwave Pro and now find themselves with no options other than a few scarce and overpriced instruments.