There seems to be some debate on this, so I thought I would start this thread where you can place your results, comparisons and have discussions about it.
My experience is that CSTJ produces a lower PIF total, with the additional PIFs in CS0K being typically at the end of the disc.
Here’s two burns I did a while ago:
Heres two more burns I just did. Both at 12x using Sony TY02@TY03.
CSTJ: (gotta love this one :))