It works for me, except for one annoying issue; I have to unplug my TV before booting into OS X, otherwise it'll boot to my desktop background with no menubar or icons, normally a sign that the desktop has wandered off to some other display.
This does not happen when using NVEnabler or ATY_Init.kext.
My monitor is plugged into the DVI output, closest to the motherboard.
Card is a Geforce 9800GTX+, nVidia kexts are vanilla, from the EVGA installer.