Video Game Music Links:

Companies that Release Game Music in the U.S.
Sumthing Distribution - Mostly Xbox/Xbox 360 Music
KFSS Studios - Remixes of Game music

Game Music Information Sites
Game music on Wikipedia - Very comprehensive, many links, other articles on Wikipedia cover composers
Chudah's Corner - Reviews, track lists, liner notes, song translations - Great Site
Game Music Revolution - CD Database (allows submissons)

Site With Game Music
OverClocked ReMix - Site With a massive supply of Game remixes
www.vgmusic.com - Midis galore, helps when trying to find the name of a particular NES track.

Other Podcasts
T-Virus - Videogame Music Podcast - Only one podcast so far, but he has a better mic than I do.
VGDJ - The Official OverClocked ReMix Podcast