aircat?

who knows what about them and their various lines of impact wrenches? Junk? Any good? I need a new 1/2" impact for work and dont want to spend Snap on money if I can help it.
How bout their 3" cutoff tools? air sawzall?
need a cutoff tool most urgently, my Snap on died (but its been WELL used to that point)
Im gonna see what the rep wants to send that one off for overhaul but need one for "in the meantime" then itll come home after that.
Who makes Grainger's "speedaire" line?