Too bad, I would really like to fly it.
But still hoping for it to happen at some later time, shouldn't be too hard to port.
Even if officially only SteamOS or Ubuntu or whatever is supported. (Even no "official" support but distributing the modules build for linux would be an option for me. Basically one would buy the mac version and download the modules separately or someting like that.)
Will wait for it, I won't buy a second PC just for PMDG, and won't be able to dualboot most of the time because of debugging long-running services etc. :/
Another vote for Linux,
Jim Goodway