Digital BW, The Print

As others have said, your best bet is probably Quadtone RIP or the 
Bowhaus RIP for what you want to do. The Evolution RIP can probably be 
run with just a single channel, but I've never tried it (and not really 
sure what the newest version offers yet).

You can get a demo of the Evolution RIP from Digifab, and you can get 
QTR from the link that Ernst gave. Not sure if the Bowhaus RIP has a 
demo/trial version. You may also want some sort of spectrophotometer to 
measure test charts in order to get the most from any of these RIPs.