#1
Can someone suggest some bands with guitar harmonies?

I'm in the mood to have orgasms over multiple notes being played on top of each other
#3
Iron Maiden my friend!

Iron Maiden to Virtual XI = 2 guitarists
from Brave New World to A Matter of Life and Death = 3 guitarists

that's a lot of guitar harmonies
MY GEARS:
Ibanez S520EX
Fender American Stratocaster
Epiphone Les Paul w/ Killswitch
Fender 12-string Acoustic
Fender Champion300 (to be changed soon to a Tube Amp)
Ibanez TS-9 Overdrive pedal
Boss PW-10 pedal