One of the original ones just sold on Ebay for $1k. Buyer hit buy-it-now.
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1,1&item=7975448716&sspagename=STRK%3AMEWA%3AIT
If the latest version was priced closer to $1,500, I'd be very tempted to buy one. At 2,500 + more for operational air duct, well, not so much of a no brainer. Maybe like the electronics world, he'll sell enough of them and the price will come down considerably. Maybe?
Probably not.