I'm not Erich and can only relate my own experience withthe Rhino-but I agree that Erich posts good info with class and respect for his readers.
A Friend bought a Rhino when they were first released. The concept is interesting....but it is bulky and ugly to my eyes. First range session the trigger got progressively worse. I wound up going into it. Turned out there was a piece machining debris in the trigger mechanism. After cleaning it out, getting the rollers back in place and reassembling, the trigger was acceptable (not great but okay). The concept is appealing but the execution falls short. I know that the lower bore axis should help greatly in reducing muzzle flip and speeding followup shots but it doun't feel "right " in my hands and winds up appealing to me only slightly more than carrying a cow pie in a holster.