IT Conversations has been a leader in providing quailty audio technical commentary even before podcasting as it currently stands was conceptualized and implemented back in Fall 2004.

Some new stuff worth checking out:

• The Gillmor Gang (3.6): "The Gang asks guest Dan Bricklin what innovations are on his radar."
• Stewart Copeland (4.0) "Since his early days with the Police, drummer Stewart has been heavily involved with technology."
• Dave Sifry [CEO of Technorati] at Web 2.0 (3.1): "presents the inside look at this explosive new medium …"