Thought this might be a short exercise, but it is a fairly comprehensive list! If you are going to the trouble of creating a Podcast though it must be essential to ensure you are submitting them to a number of targeted directories so you getting the right ears.

Same for eyeballs and blogs… Which I will research a list of directories for optimal distribution next post.

Podcast Directories

General
http://audio.search.yahoo.com/audio
http://www.apple.com/itunes/store/podcasts.html
www.potkast.com
http://search.singingfish.com/sfw/home.jsp
http://freshpodcasts.com/
http://www.podfeeder.com/
http://www.thepodcastnetwork.com/
http://www.plazoo.com/
http://odeo.com/
http://www.feedzie.com/
http://www.podomatic.com
http://www.podcastblaster.com/
http://www.podnova.com/
http://www.everypodcast.com/
http://www.podanza.com/
http://feeds2read.net/
http://www.podblaze.com/
http://www.podcasting-tools.com/
http://www.podcastalley.com/
http://www.podcast.net/
http://www.podcastdirectory.com/
http://www.podcastdirectory.org/
http://www.learnoutloud.com/Podcast-Directory
http://www.podcastingnews.com/
http://www.podcastpup.com/
http://juicereceiver.sourceforge.net/
http://www.podfeed.net/
http://www.digitalpodcast.com/
http://www.podcast411.com/
http://www.podpusher.com/
http://www.podcastpickle.com/
http://www.gofish.com
http://www.fluctu8.com/
http://www.amigofish.com/

Geographical
http://podcastnz.com/ (NZ Directory)
http://www.thepodlounge.com.au/
http://www.podcastdirectory.com.au/ (Australian Directory)
http://www.podcastempire.com/ (Canadian Directory)
http://www.podlog.co.uk/en/index.html (European Directory)

Pure Video
http://www.podscope.com/
http://www.blinkx.com/

Internet and Media archives
http://www.archive.org/index.php
http://ourmedia.org/
http://www.publicradiofan.com/podcasts.html