A friend directed my attention to Aniplex Hour; a radio show where the seiyu of Bleach and Naruto chat to each other. Be warned - they speak very fast O_o
Naruto Nippon: http://tenjoukreuz.livejournal.com/455688.html?mode=reply
Bleach B-Station: http://www.bleachexile.com/multimedia/bleach-b-station-downloads/
Enjoy!