I have posted some more videos over at YouTube.com and rather than posting them all inline here, you can just go over there and watch them.
Interview with Kaliya
Costs of Drupal
Get Universities Using Drupal and Contributing to the community
Kris Krug on Geek Yoga
There might be a few others that I did not list here, nor post individual blog entries about, so browse around. Please feel free to leave comments and please rank the videos too!