I have to say upfront mixed feelings about print spotting--it is a necessary for me, something I put off until I have no other choice but to do it. I clean my negatives pretty well but there is always some spotting to do. Unlike digital, there is no undo. You mess it up and the print is ruined. Almost all my prints are on neutral Ilford MG fiber glossy. I have been using spotting color from a bottle with a very fine short brush and a lighted jeweler's magnifier. I just sometimes have a tough time getting the right shade, even when I work light and try to build up the tone needed. I have yet to try the dry pigment sheets, maybe there is more control over the shade with those. I would love to try the old spotting pens, but as far as I can tell they are no longer made or available except maybe on the auction site where they might be all dried up anyway. For those who have mastered the art, any tips or techniques I might consider?