Here are links to some great guitarists and guitar related sites.

Arina Burceva - wonderful classical guitarist, composer, performer,     
                            and  teacher In the San Francisco Bay Area.

Tomas Enguidanos - Great multi-instrumentalist, singer, songwriter,
                                        and friend.  Founder of the group Manantial.  

Flamencoworld.com- all things flamenco. Books, Methods,CD's,      
                                        and DVD's.

The Fret House Concerts - Great small venue in Covina to see
                                                  guitar-centric concerts and shows.

Eulogio Davalos -  Great Chilean maestro with whom I studied in Spain

Miroslav Tadic  - A great Yugoslavian guitarist who plays many
                              styles. Incredible guitar music drawing from Eastern 
                              European Folk. Here is some of his playing.

Atahualpa Yupanqui - Legendary South American guitarist.  Here and 
                                       here are some examples of his playing

Baden Powell - Legendary Brazilian Guitarist one of the creators and
                             innovators of Bossa Nova.  Here he is playing.

Yurdal Tokcan - Considered one of the best modern players of the
                             Turkish ud.  Here he is.