There have been plenty of great guitar solo’s from Carlos Santana, Jimi Hendrix, Jeff Beck, John McGloughlin, Al Di Meola, Frank Zappa, Duane Allman, Mark Nopfler, Edie Van Halen...
http://www.youtube.com/watch?v=XP2lB__biZ4&feature=related
Here’s Alex Lifeson and Rush playing La Villa Stranglato at Madison Garden the other night.