I had the scott ian signature pickup (22k, alnico 2, rail coils) in a bolt-on maple neck PRS and all I could think of when playing it was how much better an alnico nailbomb would sound in that guitar
the pickup wasn't harsh like an invader, but the low end was muddy, midrange was all compressed and messed up and top end was a bit fizzy
and that was a custom shop pickup that's at least as expensive as a BKP