I have tried some of the FB Emaks, grade 2 and 3, with some rollei R3 MF negatives; the paper was developed in PF B&W 65, then selenium toned. Very nice results with full blacks, and nice high end tones. I have the Slavich in the Q, but have not worked with it yet. No complaints except for the usual ones that pertain to the use of FB papers vs. RC papers....but then again, such topic has been discussed here at great length.