Rollei R³ film got mentioned in a thread (there was a url link here which no longer exists)
It is available now in some sizes, in fact. I've already got my camera bag stuffed with it, and some Rollei R³ (!) developer ready for it.
The two recommended developers are 'Rollei R³ Low Speed' (probably very similar to Maco Cube developer) and 'Rollei R³ High Speed' (probably very similar to Maco Supergrain developer). You could try Perceptol instead of the Low Speed and Xtol or D-76 instead of the High Speed. I've found that Cube 400c works well (to my taste) in Perceptol 1+3, Xtol 1+3 and W2D2+. There are other devs mentioned in the Maco pdf for R³ (currently in German only). All the times are pretty much the same as Cube 400c - R³ is a close relative of Cube 400c. It has the same SFX-like spectral response, with lower graininess than SFX. Very nice for skin tones.
There are some pretty ambitious claims for this film. I'll be interested to see how it performs, and how the two R³ developers compare to my favourites.
Best,
Helen