GameTrailers also has another Episode up and at 3:13 they got lead writer Ash Anthony talking about the game. Worth the watch I guess:
http://www.gametrailers.com/full-episodes/2uwa91/invisible-walls-episode-223
Adding to OP now, thanks.http://www.gamespot.com/shows/now-playing/?event=borderlands_2_live20120906
some zero gameplay 48 mins