I'd recommend spending the extra money on a laser instead. They last forever, are cheaper per page to operate, and toner doesn't dry up like ink does.
Yes, they do tend to be a bit more expensive in up front costs and the toner/imaging units are more expensive than an inkjet cart, but b/w printers can cost as little a 1/2 cent a page and the color ones under $.10. I personally have 2 HP lasers, one b/w printer and one color MFP. I use the MFP for copies and printing out all the color stuff I need to print (usually gaming related stuff) and the b/w for everything else. B/W on the color printer is still more expensive than on a dedicated b/w printer. Still, the per page costs of ink jets is often in the $.50-$2.00 per page, not to mention that if the ink dries up you wasted all that money for nothing.
If you can, look to see if any schools or hospitals are getting rid of older/excess printers. They almost exclusively use laser for cost reasons and will often sell such equipment for a lot less than what it costs to buy brand new. Get some extra toners/imaging units with it if you can. Ink jets are cheap to buy but get you with the ink costs.