Important Links:

KHInsider - Database of Video Game Soundtracks

Gamedevmap - Comprehensive List of Game Companies

Big List of Sound and Music Creation Software - PixelProspector.com

TIGSource Forums - Indie Game Forum

GameAudioHour - Weekly Podcast of all things Game Audio

Sample Library Review - Music Production Resource with an emphasis on Sample Library reviews.

GDCVault - Free Keynote/Lectures