Ok, here's some ideas and I'm not sure that they're great, but you can check em out: The Allman Brothers, Rod Stewart, Peter Frampton, The Moody Blues, Styx, Pink Floyd, The Police, The Animals (Try House of the Rising Sun), Boston, Electric Light Orchestra, Kansas, April Wine, George Harrison, Jackson Browne, Crosby Stills Nash and Young, Bad Company, The Byrds, The Turtles, Blind Faith, Creedence Clearwater Revival, Fleetwood Mac, Dire Straits, John Denver, Bob Dylan, Doobie Brother's, Foreigner, Jimi Hendrix (duh), Sammy Hagar, Van Halen, Iron Butterfly, Iron Maiden, Jefferson Airplane, Journey, Kinks, Leo Kottke, Little River Band, Mountain, Dave Mason, John Mayall, Lee Michaels, Robert Palmer, Tom Petty and the Heartbreakers, Queen, Leon Russell, Rush, Bob Seger, Steely Dan, Lynyrd Skynyrd, Steppenwolf, George Thorogood, Jethro Tull, Robin Trower, Three Dog Night, UFO, Joe Walsh, Johnny Winter, Edgar Winter, White Snake, West Bruce & Laing, Yes, ZZ Top, I hope that's enough to keep you busy for a while. ;) Also, if you're looking for another talented guitarist, check out Phil Keaggy.