Jazz : Joe Pass, Wes Montogomery, Django Reinhardt, Martin Taylor, Johnny Smith, Tal Farlow, Jimmy Bruno, Jim Hall, Grant Green, Al di Meola.
Classical and Flamenco: Andres Segovia, Julian Bream, Pepe Romero, John Williams, Paco de Lucia, Pepe Habichuela.
Rock Metal Blues: Eddie Van Halen, Joe Satriani, Jimi Hendrix, Yngwie Malmsteen, Eric Johnson, Richie Sambora, Kee Marcello, Robert Johnson, SRV, Mike Bloomfield, Danny Gatton, Dimebag Darrell, Kirk Hammett.
Pop Indy : Johnny Marr
That a bit more than 10

but I still probably left out many more amazing players. Of course great technique and great musicianship are two different things. And greatness is in the ear of the beholder. If I had to choose one guy that amazes me evertyime, it would be Joe Pass...a real virtuoso in my book.
No prizes for guessing that I am a guitarist
