#2

ok so what are you trying to accomplish, are you trying to attain perfect intonation (as in making sure the string is in tune all the way down the fretboard) or action (the distance between the string and the fretboard)?
Fender Deluxe Strat HSS
Fender Standard Strat
Fender Highway 1 Tele
Epiphone Les Paul Standard
Orange Rocker 30 Combo
Seymour Duncan Twin Tube Mayhem
Roland Microcube
Boss Micro BR
Korg Pitchblack
EHX Holy Grail
Hohner 3/4 Classical
#3
ah those precious semitones, don't wanna loose em

But really, we need to know what your are aiming to improve/change