Hi my friend! I'm here to help you!
I have the same board and my desktop is running perfectly the OS X since the Mavericks (with this board)
The GA-X58-USB3 it's a very good board to run Mac OS X, all you need to do is to have patience and read about doing this hack.
I'll give you steps to...
I'm here to teach how get your grey Apple Boot Screen in BLACK! So, those guys who have a Graphics Card that don't have Vesa options to boot in the right resolution... You can make all the thing black with an Apple Logo in the center. It looks awesome!
I spend like a month...
No. In this board i used an external board to get the sound. But i didn't tried so far to get the sound.
Now i'm using another board, the GA-X58-USB3 and everything is 100% working(10.8.4), and is so easy to install! Just use UniBeast and Multibeast with UserDsdt, and there it is!
Guys, i'm trying to install the Mountain Lion 10.8.3 on this Pc and i did it, but i'm having some problems.
Mobo: DX79TO Intel
Cpu: I7 3960x 3.30Ghz
Ram: 20GB 1600GHz Vengeance
Graphics: GTX580 3gb
HD for Mac: 160Gb hdd 7200rpm (i guess)
So, there someone who can help...