The Guitar Page Page full of Tabs, warm up exercises, classical and acoustic guitar pages, links etc. A page definitely worth checking out.
The Guitar Exchange Pretty much just a classifieds page, with links, rare guitar pages and you can also place you're own free classified ad, just as long as it's got something to do with guitars.
Electric Guitar World Check out new equipment, the tips & tricks section, and more.
Acoustic Guitar Devoted to all things relating to acoustic guitar.
Jim Dunlop USA Guitar/Musical accessories such as picks, slides, pedals etc.
Vintage Guitar Magazine Name says it all....
Harmony Central Info on guitar instruction, equipment, midis, mags, newsgroups plus, a link to the OLGA (On-Line Guitar Archive)
Guitar Geek Band profiles, sound effects etc. A page for true guitar geeks... : )
All the links have been researched, so they should work. If they don't, however, e-mail me and let me know. Thanks!