welcome!, yes everyone boxes differently, just like everyones swing in sports is different, we can guide you but you kinda gotta find out what works for you, the forums are a great place to start, because if I tell you something and it doesnt work, I dont want to turn you away from multiboxing just because my method doesnt work for u!

(wow wiki, and some loooooong posts about how they setup for their specific needs)
pve- stickies under pve section
pvp settups- stickies under pvp section
both- meh read both and see what u mostly need, and combine them and make your own post!