Looking at another saw, I want to get a NON-ARBORIST saw, what do you think, my dad has a 15 year old 372xp non-xtorq, I have a 550xp and I'm impressed of what a screamer it is for only being 50cc's, I'm looking at stihl, j-red or husky, thoughts? Preferably a new saw because I've had bad...