Digital BW, The Print

I'm looking for a scanner for b&w negatives in the $750-$1,000 price 
range.  There's a wealth of information on the web about the various 
scanners, but very little about using them with b&w.  I'm told that 
dynamic range is particularly important with b&w, and that some 
scanners that do well with color don't do as well with b&w.

I've basically narrowed it down to the Canon FS4000US (which has 
greater resolution but lower DR), or the soon to be released Minolta 
Scan Elite II (which has less resolution but possibly greater DR).  I 
considered the Nikon LS-40, but was told that its LED light source 
caused problems with the grain structure in b&w.  

Could anyone give me some advice on how to move forward with this?