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
Agony of Da Feet (#2867)
Run to Win24 Marathons, 17 Ultras, 16 States (Full List)
(wow, been a while since that's been updated...)