I've been an audiophile since my early 20's. Have written gear reviews for ToneAudio. Currently writing music reviews for AnalogPlanet.com:
Analog Planet
For audio gear, there are several forums in addition to what's already been mentioned:
AudioAficionado.org
AudioCircle :: the audio and hifi community
For audiophile music, there is one forum that is simply amazing. No contest:
Music Corner - SH Forums