Personally, I listen to Mu's Drill Down as well as Mashable Conversations. - Ryne Nelson

Social Blend, Nerd News Radio, Gilmore Gang, Geekcast and although its not social media related I must mention Riot Control! - MikeonTV

lot's of SM related podcasts...just the social geeks - Anthony Farrior

Drill Down, Social Blend - Steaprok

Diggnation! - k00pa

Drill Down, Diggnation, TWIT, FLOSS Weekly, BOL, Linux Outlaws, Linux Link Tech Show and Fresh Ubuntu - Elmer Thomas

I used to like Rush Hour, the drill down, mashable, - kyle

Diggnation - Lyndon Antcliff

Drilldown as of a few days ago, and born again Diggnation watcher. - Howard O'Berry

Thanks everyone. I've picked up Social Blend and will be listening to more in the near future. - Ryne Nelson

yep - another drill down listener here. check it out - stuart brown