Best Sci-Fi/Geek Podcasts

[Fury]

I've recently joined the 2000s and started listening to podcasts. Most of the podcasts I've listened to are sports related, but I'm slowly branching out to some sci-fi options. I enjoy theforce.net's ForceCast but really haven't found any other great science fiction/geek podcasts. My interests in terms of science fiction, comics books are fairly broad.

Any recommendations?

 

[Australis]

I'd like to hear some too. I've just started with podacsts, notably the Hardcore History series, which is very good, and could stand to hear some SF stuff too.