I've been using PMK with 4X5 BPF 200 and while I like the PMK I've found problems with the BPF. Enough of a problem that I would like to try other films with the PMK I have and soon try Pyrocat HD. My problem with BPF is inconsistent pin holes in the emulsion that I don't want to deal with. It would be easier to change films than developers. So my question is, are there some films "more" receptive to stain developers than others?