Digital BW, The Print

I am currently making duotone, tritone, and quadtone images, using 
epson inks, and am wanting to get away from the apparent 
posterization and banding that I get with my amateur attempts. I also 
want to make my images more archival.

I want to be able to vary the wamth of the image tone, to accomodate 
each photgraph individually.

Considering the purchase of the Epson 2200, it occurs to me that it 
will not support any kind of continuous ink system, and that its b&w 
inks are limited to mainly neutral greys only. 

Therefore, for printing up to 13x19 inches, does the Epson 1280, 
along with some kind of 3rd party variable Quadtone inkset, still 
shine as the best solution ?

Thanks for your help and insights !

- Ken Lee