I have a long commute to work so I tend to listen to a lot of podcasts that vary in quality. I've noticed that most podcasts have one person with an annoying voice.
Video Game Podcasts (besides CagCast)
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The best podcast about the video game industry
http://www.gdcradio.net/gamasutra_podcast/
formerly known as
http://fatpixelsradio.com/
They get a panel together to discuss specific topics every two weeks and they plan on putting GDC Radio Archives in between, which will include lectures, tutorials, and roundtables from this and previous years' Game Developers Conference in the other weeks.
ChatterBox Video Game Radio - radio show in AZ
http://www.chatterboxgameshow.com/
Discusses news & reviews
About 45min
4cr - A bunch of guys talking about current news/reviews/ & comic books
http://www.4colorrebellion.com/ About 45min
I think Cheapy D made a reference about this one in one of the CagCasts
IGN also has a podcast which varies each week, sometimes PC,Console, Game reviews, previews. It's usually only 25 min.
Technology Podcasts
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http://thisweekintech.com/
It has Leo and some people from zdnet/G4 About 1hr
http://revision3.com/diggnation
The podcast has Kevin formally of G4 it talks about stories found on the
http://www.digg.com/ - blog About 1hr
They drink while the do the show.
Daily Giz Wiz
http://twit.tv/dgw1
It's Leo Leport and Dick DeBartolo (a writer for Mad magazine) talking about 1 gadget a day. Most of it is them just shooting the shit talking about old times.
About 10 min
http://www.engadget.com/ - I stopped listening to this because every other word was "Ummmm" but I llike the blog
Entertainment Podcasts
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Official Lost podcast
http://abc.go.com/primetime/lost/podcasts/102005.html
Ebert & Roeper
Have a movie review podcast