I have 90k NX left. It's currently 35% PDR/12% STR/Crap and a 15% PDR neb.
I have 24% boss (2 S decks + Kanna + DS link cuz duh) and no PDR outside Demon Cry and the PDR neb.
I have 66k top range buffed. I don't know if I'll stay with the DS long enough for boss% to matter.