When are we going to get MVS running on the Pi? (And, can I install it from CD?)
Really, lots of people use it. Lots of people are comfortable with it. Lots of people will be able to leverage their existing skills. I think this is an obvious move for the Rpi people to get on the modern bandwagon to success!
Helpful URL provided, just in case there is any doubt of my intent:
Check out the rest of the links at the bottom of the Wikipedia page.