the painkiller and the aftermath are very mid oriented and have quite tight low end
that aftermath actually lacks a little more low end in the lowest strings for my taste, but sounds more articulate and open in comparison to the painkiller
the painkiller sounds more dominant and compressed and the notes get that extra sustain instead of the dry noise gate-like response of the aftermath
something alnico, more versatile and a little less hot like the Rebel Yell will also deliver, since it also has a huge mid push and quite tight response for an alnico 5 pickup
they all have a very tube screamer like mid-pushy voicing