7800 GTX+10.6.5 enable QE/CI any luck?

[shadowsa]

i have an 7800 GTX nad i would like to know if anybody succseeded with this card and snow leopard 10.6.5?
i have it running at the moment with 10.5.8 on dual screen mode and qe/ci enabled but i tried like 8 different injectors which was not succsesfull and diferent variation of driver versions but still no succsess EFi string gives me just dual screen but no QE/CI
please help if possible

or should i just give up because there is no chance making it work with 10.6.5?