after some more digging /etc/sysconfig/desktop should handle it.

DESKTOP="GNOME"

then both /etc/X11/xinit/Xclients and /etc/X11/prefdm will use that as
$PREFERRED, and start gnome-session and gdm respectively.


-- 
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| Jerry Snitselaar            Ph.: 480-391-8519  |   
| Jack of all trades, SSE     Fax: 480-391-8555  |  
| Parcera, LLC                                   |
| jsnitselaar@dncpsolutions.com                  |
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