Ehm... sorry to be obnoxious...
but I tried 4 different FS2open apps, and it still randomly crashes my mac (and makes me need to turno off and reboot... why?!!!)
Summary of my installation:
1) install via the installer, over 5gb, no flaws.
2) several .app installed (the one that came with the installer/taylor's 30/3/08/ a 3.6.10 04/2008 / a 3.6.9patched for 16/9 found also on these forums), launched by the Launcher.
Results, always the same... it randomly crashes... once I even got as far as to play the first mission of the original campaign, but usually it crashes earlier, and not at a fixed point.
Do I need to dual boot my mac?
Thanks to all the patient readers/helpers...