I had really hoped that FGFS would have matured. I had been an occasional user of FGFS a few years ago, but found I was spending more time getting support than flying it.
I came back to 2.8 hoping against hope that it would work reasonably.
Unfortunatly i have had to give up again, every time I fly I come across small problems:
Can't turn 2d panel back on in View>Display Options - its checked but not visible
Can't tune radio as per instructions in tutorial (middle click in any Mac I ever used activates the widgets screen) How can you change the value to the left of the decimal?
Any right click disables the mouse as soon as the pointer goes in the Flightgear window it snaps to the middle of the screen.
These are just the issues from my last 10 mins of use.
But the killer is the variable frame rates that make it unflyable (vary from <1 20) on a 2x 2.66 dual-core Xenon MacPro with 12 Gb Ram.