With NSS Labs shutting down today the need for objectivity and visibility into testing has never been greater.
(Gartner is a joke. There, I said it.)
a good example of this was a cisco asa with firepower (which in itself ia a terrible solution, but alas). even at "just" 50% of the specced load, we started seeing weird issues in regards to IPsec tunnels. (SA's randomly dropping, getting abysmal performance at certain times etc).