Hi Alucard,
I have some 220 film about 5 rolls each of Tri-X 400, Porta 160VC and Fuji Pro 400 NS ues it in my Mamiya 7 and Hasselblad A24 back. I buy it in the US and Japan. Please be aware this is all about the convenience taking 20 or 24 shots and not about $$.
It sure is not cheap about...