Yay, I found a podcast which was previously unkonwn to me:

http://www.elegantcode.com/

Here are some of the last titles to give you a short idea:

Code Cast 24 √¢‚Ǩ” Matt Podwysocki on Functional Programming
Code Cast 23 √¢‚Ǩ” Jeremy Miller on StructureMap
Code Cast 22 √¢‚Ǩ” Distributed Agile
Code Cast 20 – Matt Heusser on Agile Testing
Code Cast 19 √¢‚Ǩ” Peter Provost on Agile, Visual Studio 2010, and Architecture Tools

iTunes: link
RSS: link