GA-Z77X-UD5H with i7-2600k under ML 10.8.1
Installation without DSDT and only FakeSMC.kext, SSDT & boot.plist & SMBIOS (12.1) in extra, fix for audio ALC898, and additionnal drivers (Networks, Aditionnal SATA, PCIe NEC USB3, printer...), HD6870 and Bluetooth (usb for magic pad) are working OOB...