That's a MikroKopter Octa, posted earlier in this thread: https://www.mikrocontroller.com/index.php?main_page=product_info&cPath=80&products_id=506&zenid=9008256cb4d5858e8b68a2313b7801f4
About 1/3 of the price of the pre-built one.
About 1/3 of the price of the pre-built one.
Supposedly it has gyro stabilization, and I think I read somewhere in the description by the owner, or perhaps on the manufactureres site, that you can preview the shots on a laptop while in the air.
http://www.youtube.com/watch?v=HLZHjdY6i3s&feature=player_embedded
http://forums.dpreview.com/forums/read.asp?forum=1027&message=35958020
peruse through some of his posts and you'll get some more info. Pretty sure its part of his commercial venture.
pre-built not cheap,
http://www.robotshop.com/oktokopter-2-fully-loaded-octocopter-uav.html
but you can build your own, google octocopter plans or something similar
Mike