I think this has been pretty well covered in this thread, but my experience with DDX is that it is hugely expensive compared to Xtol and gives very similar results -- namely very good highlight separation...
I can't believe that Ilford can't figure out a more economical way to package it -- in a syrup form for example.
I can't believe that Ilford can't figure out a more economical way to package it -- in a syrup form for example.

