Quirkiness and unpredicatbility- Kid Charlemagne, Larry Carlton (Steely Dan)
Flow in the song- Sister Christian, Brad Gillis (Night Ranger), great example of getting into a solo right, and out with something that raises the bar
Scary, it's a new world, moment- Eruption, EVH, VH I
Whole song solo- Gary Moore, Still Got The Blues AND Stevie Ray Vaughn, Tin Pan Alley
Everything they play- David Gilmour And Phil Keaggy
Made me say "yep, I need to play guitar"- Carlos Santana, Samba Pa Ti
Single note of note- That middle, grunting note in Mississippi Queen, Leslie West (Mountain) and the third from last phrase in Whole Lotta Love, Jimmy Page (Led Zep)
Could go on and on...