if you do a google search on the hubsan x-4 you will see that it pretty much is the traxxas qr-1.
i am believing that traxxas just bought the rights to it and packaged it in its name.
there is a bit of info on the hubsan and re-calibrating or doing little things.
i am hoping they design their own sometime and make it just a wee bit bigger.
Thanks for the update, though old news. This "argument" has already run its course.
The Super Derecho