I'm still happy with the value/performance aspect of my decision to go with the BR600 even tho I woulda preferred the Shin if the price point (and a dealer) were closer.
I got a hell of a deal out the door from one of the area Stihl dealers that I just couldn't refuse.
"Best" is relative and isn't always the most affordable, practical, or necessary, but I can't see myself spending money on anything less capable than the BR600 or the Shin..., but I'm not a commercial user that would wear out either one, so again, it's a relative and subjective issue/choice in any case and will probably last me as long as I can still strap it on.
The BR600 is proven despite the design and ya see em everywhere for a reason. I see lots of Echos used by the crews in my area as well. Don't see crews using Shin or Husky blowers up this way (North Central Ohio) much at all.