Hi,
So 1 month ago I did a clean reinstall and updated my BIOS from FA to FE before that.
Lnx2Mac BIOS guide, iBoot, FE DSDT from db, MultiBeast 3.1, 10.6.6 update got me http://grab.by/9aIz in my /Extra folder and a GeekBench64 score of around 9600. Strangely, my previous install of 10.6.4...