I don't think standing development lends much to the Foma films, honestly, but that's just my flavor. Standing development is a pretty extreme form of compensating development, and has its uses and strengths, for sure.
I've shot and developed 3-4 rolls of Action 400 in Rodinal 1:100 60 minutes, it gives lots of grain, quite nice grain, but still, lots of it. I kind of liked it, creative, but nothing I am going to keep on doing. Here's a cpl of shots (not entirely perfect since the scan didn't do a lot for the grain when viewed on the screen.. they look better even printed digitally.