Digital BW, The Print

Clayton, there is yet another solution which may bring the blend of
"best of both worlds" -- though it certainly costs a lot more up
front. That's the new HP Z series printers (yes, a lot more than the
R2400, I realize, both in size and cost). 

But consider what it gives you. 

First, no fiddling with a RIP, funky curves, etc. 

Second, when you print a B&W image on matte paper, the HP driver
limits the printer to using the 4 blacks. So you end up essentially
with a quadtone driver with smooth tonal transitions, minimal
graininess, and deep blacks. The 4 blacks are all carbon-based so you
don't have to worry about the color toners.

Third, will work with both matte and glossy/luster/f-type papers, no
need to switch or flush black inks.

Fourth, WIR reports very impressive longevity for the HP Vivera
pigment inks. For instance, for HP Hahnemuehle Smooth Fine Art, even
bare-bulb prints are rated at >100 years, glass-protected prints are
rated at >250 years, and dark storage prints are rated at >300 years.