Beck is now in a category of his own. How he changed and advanced music amazes me. His jazzy licks and constantly changing (even his own works) is thrilling. Followed him since his days in late Yardbirds. Saw him with Yardbirds, solo and more recently in dual concert with SRV around 1989-90.
Loved Hendrix with a passion. Saw him once w/ The Experience. Loved the late great Roy Buchanan, Roy Gallagher, Stevie Ray Vaughan ( saw him once), loved Django... Just to name a few of my never-get-tired of their licks or style. It's not a requirement to make my list but I seem to like the dead ones ... Speaking of the Dead. add Jerry Garcia into that list.
Mark Knopfler, Carlos Santana, John McLaughlan, and Ry Cooder also at or near the top of my list.