I actually found the PK to sound the exact opposite of what I was told to be expecting; maybe the choice of the guitar it went in contributed to this as well but I never found it fizzy in the highs, it rather had a huge but tight low end, balanced but still grinding mids and not overly pronounced highs. As said the axe in question is my 93 Jackson Fusion Pro which sounds rather dark and the PK seems to fill out the frequencies very well. I still prefer the HD over it to play stuff like Thrash or Melodic Death Metal but for Tech Metal and all the modern stuff the Painkiller just excels...
p.s.: great sounding Crystal Mountain Clip you did there mate!
Cheers