Keep in mind this bird doesn't need to do anything but go up, fly in a circle and come down.
Most guys use the [link=http://www.hobby-lobby.com/easystar.htm]Easy Star[/link]
Stock it weighs 24oz over 370 square inches.
With a brushless motor and 3 cell lipo they don't have any problems carrying a 9-10oz camera.
I am planning on using a Himax 2115 through a gear drive of either 4 to 1 or 6 to 1, whichever works better, a 3 cell lipo and a Castle Pheonix 25 speed controller. That should provide more thrust than the little outrunner pictured above.