RISC OS is just beginning to work on the XM - for those interested a
parallel discussion is on this thread:
https://www.riscosopen.org/forum/forums/5/topics/404?page=5#posts-4481
Funky! I used to have some Acorn machines. I had no idea there was
such a project.
Hope you enjoy playing with it! It's been listed here for a while now:
http://beagleboard.org/project/riscos/