Ron Jacobs in our group runs a series of archcasts which he puts up on channel 9. About a month ago he interviewed me at some unconscionable hour of the morning for a couple of podcasts which he has just put up on channel 9 at and 

These were about Web 2.0 and Edge Architecture, I wasn’t to sure of the format at first so the beginning was a bit rambly but things improved towards the end. Do go and have a listen.