Haven't updated in a while but have been on two arcade and retro podcasts episodes in the meantime. The first is the second part of the Zelda podcast:
http://arcadeandretro.com/arcade-and-retropodcast-episode-8-the-legend-of-zelda-series-part-2/
The second podcast is all about the Contra series:
http://arcadeandretro.com/arcade-and-retro-podcast-episode-9-contra-or-probotector-or-eh-gryzor/