BAsed on your list and what you have already:
Don't get the supercollider. or any more fuzz for that matter.
You have more than enough of the best fuzzes for a KILLER Tone/board.
You should get the SFT as an overdrive.
and the Octron2 to use with the POG2 or HOG to replace the POG2
But that is what I would do.
