We have known for a while now that shoe technology hasn't seemed to slow the rate of injuries suffered by distance runners. Here is a new concept in shoe design by Dr. Craig Richards called Barefoot on Grass. The design is supposed to protect the foot while simulating barefoot running.
Check out the barefoot running blog by Dr. Richards- great information! Notice in the video that the runner does not strike heel first. He is wearing the Barefoot on Grass prototype shoes.