Great general forum geared towards guitarists acoustic and electric, I am head Moderator

http://ultimateguitarforum.com/forum/index.php

Great Blues Forum

http://blindman.forumhoster.com/

Chafin Custom Guitars, a it slow but a great forum ith very knowledgable players

http://www.chafincustom.com/cgi-bin/yabb/YaBB.cgi

DEAN Guitars

http://www.deanguitars.com/forum/

 

Liqour drinkin' dope smokin' mother ****in' Bluesman.

www.billchristyproject.com

http://everythingdulcimer.com/discussion/

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McSpadden M-12W, SH-12CRs, SH-12KKc
Custom LR Baggs Piezo Bridge Pickup on SH-12KKc
LR Baggs Para Acoustic DI Preamp
DigiTech & Boss Effects, Planet Waves Cables and Picks, D'Addario Strings
SWR Super Redhead 450w Combo Amp with SWR Goliath Jr. III Extension Cab

www.seymourduncan.com

www.thegearpage.net

www.petrucciforum.com

Seymour's forum along with the gear page have EXCELLENT info regarding everything music and gear related.  I am a big fan of petrucci, so I like that site as well.