If the 327 magnum fits a certain niche, I don't see why an auto version like the 7.62x25 wouldn't. The only real hold up I can see is in a handgun to fit it. While the idea of a modern double stack 15 rd. or so pistol seems interesting it probably wouldn't work in most guns without modifying the frame.
What if we necked down a 10mm to 32 cal? I'd think it would have just as much-if not more- case capacity as a 7.62x25. Maybe even a 40 necked down, like a 357 Sig.