Digital BW, The Print

I've been away for a few months from this group and, of course ;-), Paul has come up with yet another innovative ink set-up. I bow deeply for your creativity and commitment....

As always, this immediately triggers my dreams for this optimal, fully netural matte+glossy ink set-up that I've not found yet. Still dreaming about a large format printer.....

But based on Paul's note

http://www.paulroark.com/BW-Info/Ink-Mixing.pdf

This seems to come very close.

If the criteria are:
- neutral B&W - adjustable to a paper, but no further toning needs
- matte + glossy 
- high archival quality
- of course: excellent print smoothness
- usable on a 4 pl printer, including large format

low cost is always helpful, but not necessarily the lowest cost possible

Then setup it seems that this could fit the bill for a 6 ink setup

MK - Eboni
PK - HP
LK - carbon as warm toner
LK and LLK - diluted HP-PK as cool/neutral toners
glop

For a 7 ink printer I see three options for the extra slot
1) LLK carbon 
2) LLLK HP-PK
3) UT-3D selenium toner

The criterium between 1) and 2) would be what would give the smoothest print (any idea). 3) would allow for lab-a control thus giving full control on print neutrality. But 3) is most likely not suitable for a large format printer. A magenta ink could do the job for the lab-a control as well, but that is probably affecting the smoothness and archivability too much.
 
Does this make sense?

Joost