This week's (5/18) Real Sports with Bryant Gumbel on HBO had a decent piece on barefoot running at the top oft he show.
Sadly, all the great footage of the Boulder Barefoot Running Club ended up on the cutting room floor.
Not sure if the episode is online yet, but it's replaying all week on HBO.
under a rock
Run to Win25 Marathons, 17 Ultras, 16 States (Full List)