Seems as if Ford got their act together in terms of construction in building the current generation F-150.
The new one fares much better than the old.
Old -
http://www.iihs.org/vehicle_ratings/ce/html/0110.htm
New -
http://www.iihs.org/vehicle_ratings/ce/html/0328.htm
Here's the Nissan Titan for comparison which weighs more than the previous generation F-150.
http://www.iihs.org/vehicle_ratings/ce/html/0412.htm
Dodge -
http://www.iihs.org/vehicle_ratings/ce/html/0128.htm
Chevy - (didn't hold up so well but seemed to protect the passengers)
http://www.iihs.org/vehicle_ratings/ce/html/0107.htm