Just Posted: Our review of the Ricoh GR, compared with the Nikon Coolpix A. We've already reviewed the conceptually similar Nikon Coolpix A and seen it out-gunned by the Ricoh GR, so what does that mean for the GR? We've delved into the Ricoh's menus to get to grips with what it's capable of and explored a range of its interesting features. Read our comparative review to see how it performs.