While it is a multi-copter instead of a quad, this thing looks promising: http://www.e-volo.com/ http://www.e-volo.com/ Video of first flight is on this page:

While it is a multi-copter instead of a quad, this thing looks promising: http://www.e-volo.com/ http://www.e-volo.com/ Video of first flight is on this page: http://www.e-volo.com/ongoing-developement/vc-200 http://www.e-volo.com/ongoing-developement/vc-200