As I mentioned few days ago, the first Nikon D7000 should start shipping any day now. Some BestBuy stores in the US already got their first shipment of D7000 cameras directly from Nikon few days ago in unmarked boxes with time sensitive dates on them (I believe this date is October 18th) – this is something like an embargo date for selling/displaying the camera.
Not sure how reliable this is, but someone mentioned on Amazon’s discussion board (user KevCon) that his/her camera was already shipped.