Hi again,

finally my system works. i changed the ati radeon 4870 to a geforce gts250. Thanks to you, adriangb, i have sound too

hardware:
asrock x58 extreme
core i7 920
6 gig ddr3 ram
geforce gts250
2 * sata raptor 10000rpm
LG dvd burner (sata)

BIOS Settings:
everything to AHCI, disable eSATA
CPU Config, everything enabled, C6 State, Version 1.9

what i've did:
1. burn Empire EFI 1.08 i5/i7 CD
2. Change CD to Leopard Install DVD
3. Installation complete and reboot (with Empire EFI)
4. Install Updates to 10.6.2 (via USB Stick) and reboot (empire efi again)
5. install myHack 1.0 Final Release with default settings
6. change com.Apple.Boot.plist in /Extras entry: PciRoot from 1 to 0
7. get archive.zip from adriangb and copy dsdt.aml to /Extras and kext to /Extras/Extensions
8. download, install and use pfix 3.0 from same homepage where myHack is from
9. reboot & done

niiiiiiiiiiice!!!!!!!!!!!!!!