This is my first Hackintosh build. (myMac)
I used the "GraphicsEnabler=Yes" text to get through the basic OSX install info screens. (Give the system time to load all the screens, it may look like the loader is stuck, it is not, give the boot loaders and the Unibeast time to load.) Once the OSX was installed I used the stock MultiBeast settings, rebooted, installed audio kext, a quick iMessage patch, (google search for the right one for your HackPro) watched a youtube video to enable CUDA core on the GTX 580 and then she was ready to ROCK!!
Next I created 2 FusionDrives with a set of 1TB HDD and a 120GB SSD, loaded all my documents project files, etc. to one, and all my videos to another.
Final thoughts. For my first build I must say, TONYMAC86 IS THE BEST. Follow the directions on TonyMac86 site for your specific system, do a few Google searches when you run into trouble and you should be able to get your system up and running in no time.
Or save $5000, buy the new MacPro and get a tiny 8% gain over previous $5000 MacPros.
I'll stick with my Hackintosh.