Hi Kyle,
The difference in the display reflects my preference for the default rendering of the surface convexity. Edit your ~/.sumarc file so that variable SUMA_ConvColorMap is not not gray02, but ngray20 (these colormap names are the same as the ones you see in the surface controller GUI).
That should bring you back to where you were before. Future suma -update_env will not modify changes you make to your current .sumarc file.
cheers,
Ziad