Too many to list, but I never cease to be impressed by Eric Johnson's tone, especially around Ah Via Musicom and Venus Isle. He created a distinct musical identity which belonged to him. Big fan of Neal Schon's tone around 1977-1980 also. He had taken what he had learned from Santana as a yoof, and was expanding on it in his own hotrodded style during these years. Love how his pure, raw guitar playing was backed up by Greg Rollie during these years, too.