Well, I'm not actually a guitarist. It's for my guitarist, but I know a fair bit about production.
First of all, I have read a lot of their older stuff is tuned in C sharp.
chucklivesoninmyheart, SPL.
What is this "expensive studio equipment" no one else can afford.
Guitar amp, effect processors, pre-amp, EQ, pickups, double (triple etc.) tracking?
Hammurabi: sorry, what is PRS? A brand of guitar?