Thinking this looks like a decent buy. Already have one Prostaff and it's doing fine. Just don't have any experience with the mildot reticle.
http://www.midwayusa.com/product/149054/nikon-prostaff-rifle-scope-4-12x-40mm-mil-dot-reticle-matte
http://www.midwayusa.com/product/149054/nikon-prostaff-rifle-scope-4-12x-40mm-mil-dot-reticle-matte