Well I have a similar computer, specs are in signature. I've been following this thread and tried tazzix's way but I'm kind of a noob at this so I guess I need help.
All I got so far is via Ibootlegacy + Mac Os 10.6.3 retail DVD - It installs fine.
Update to 10.6.7 via comboupdate.
BridgeHelper 2.1 installs but doesn't seem to do much.
Almost anything I do in Multibeast doesn't have results or crashes the system.
So... I got the Os running, usb 2.0 working fine and trackpad too, but graphics are low res and system can't detect almost anything.
My guess is I got to install all the drivers some other way that's not multibeast, how can I do that?
I know all about the extra folder, kexts and boot stuff, but I don't know where to find them and where to put them.
I also don't know if my graphics card is compatible cuz it is AMD Radeon HD 6770M but it's 2gb, not one like most. I know they use this one on the new iMacs so I guess it should be.
Any help would be much apreciated.
Cheers