If you're thinking of attending this years Podcast and Portable Media Expo, you may want to tee up with the folks from Medium Rare Films.
This year, the MR Film dudes are looking to not only do more interviews, but also to put together a panel or two for inclusion in the feature documentary.
"At this time, we are particulaly interested in people who can speak authoritatively on the issues of Podsafe Music vs the RIAA (Legal issues as well as Marketing issues), Copyright and the Digital Millenium Copyright Act and its impacts, Downloadable Mainstream media as podcasts, Video Podcasting, Digital Distribution Systems ( i.e. Digital Downloads of Television and Movies, etc). We are not limiting are interviews to these issues, but are actively seeking people with expertise in these areas. "
Contact info can be found in this forum posting.