I won't claim that it should win any competitions, but I have always had good results with Stihl RS and RSL right from the factory. When I sharpen, by hand in the field, I'm happy to keep it cutting just the same.
I'm sure if U have the time to put it in a vice, or use a guide, that is different.
I'm sure if U have the time to put it in a vice, or use a guide, that is different.