Audio learning

This is real geek stuff...

Encryption (www.grc.com/securitynow.htm)
  Listen to shows 30 through 35

Security (please listen to this one)
http://www.itconversations.com/shows/detail966.html

Trends (SOA, Open Source, Ajax, work, etc)
http://www.itconversations.com/shows/detail999.html
http://www.itconversations.com/shows/detail973.html
http://www.itconversations.com/shows/detail868.html
http://www.itconversations.com/shows/detail638.html
http://www.itconversations.com/shows/detail50.html
http://www.itconversations.com/shows/detail866.html
http://www.itconversations.com/shows/detail659.html
http://www.itconversations.com/series/oscon2005.html

AJAX
http://www.itconversations.com/shows/detail1010.html
http://javapodcast.com/media/mahemoff/SASDAjaxBasics3of3EventsAndMore.mp3
http://javapodcast.com/media/mahemoff/SASD_AjaxDisplay_Basics1Of3.mp3
http://javapodcast.com/media/mahemoff/SASD_AjaxRemotingBasics2Of3.mp3
http://ajaxmatters.com/r/welcome