The folks at G-Form make athletic pads and rugged iPad cases, but they must really hate Apple's tablet over there. Not only did they drop a bowling ball on it and drop it out of a plane at 500 feet, but now they've doubled that distance, throwing a couple of encased iPads from a parachute at a height of 1300 feet (almost 400 meters), complete with movies playing.
Since you probably wouldn't be watching the video below if the iPad broke, the case indeed does protect the devices (though that case does look a little worse for the wear). In a review of G-Form