News and current events
Twit.tv - Tech news and commentary - this site has many different netcasts/podcasts including but not limited to my favorites: This Week in Tech, This Week in Google, Tech News Today, and Four Cast
No Agenda - De-constructing current events and crackpot conspiracy theories.
The Drabblecast - Weird short stories.
EscapePod - Short science fiction.
PseudoPod - Short horror.
PodCastle - Short fantasy.