Hey guys I found some really great podcasts that I suggest you try listening to some time.
Video Games:
It's a podcast called Host Migration you may recognize some of the people from youtube/ machinima Hutch, Seananners, and Trumpf. It is pretty good I enjoy it.
http://theimightyhutch.podbean.com/
DnD 4e:
Critical Hit is a great DnD 4e podcast where some of the guys from the Major Spoilers crew talk about and play dungeons and dragons 4th edition
http://www.majorspoilers.com/archives/category/major-spoilers-podcast/critical-hit/
Comic books:
Major spoilers podcast In my opinion this is a interesting podcast where they talk about and review comic books and other popculture
http://www.majorspoilers.com/archives/category/major-spoilers-podcast/
You can also find them on itunes by searching for them in podcasts.