Here are some podcasts I found useful when preparing the Infinity Storm campaign:

Accidental Surivors
Episode 010 – Four Colour to Ashen Gray
http://accidentalsurvivors.libsyn.com/index.php?post_id=208849

Episode 011 – Spandex and Trenchcoats: Superhero Characters
http://accidentalsurvivors.libsyn.com/index.php?post_id=216245

Episode 012 – Running A Superhero Game
http://accidentalsurvivors.libsyn.com/index.php?post_id=224690

Fear the Boot
Episode 51 – running a superhero game
http://feartheboot.libsyn.com/index.php?post_id=212712
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