After all it was simple. I put in rev 2 unchecked system essentials, selected nvidia grafics kext, efi mbr boot and have left the rest untouched. To be sure no extra lan kext where installed. After install. The disk booted fine, I have network windows shares and messenger works and I can boot from the sat drive with easy... (can't remember the rest bcd? Not important.

Now I need the right things for dualscreen and when that's working I'm done and start using the hackintosh with installing the programs I like. Thanks every one for helping to figure this out.

For you who worked wel with the network in rev 1. Do what i did or follow the above procedure from P-J.
These where my steps

1. Partitioned with mbr
2. Installed Rev 1 with unselected kernells (no need for them on my AMD); unselected efi; selected the extra fonts, graphic stuff and lan, etc. for my machine.
3. Boot the leopard from DVD after the installation was done
4. configured the network, etc.
5. started the machine from dvd rev 2, unselected everything (even the system, funny it was possible); selected onely EFI MBR and nvidia kext. After 10 minutes the system was running as it should be. Network working and msn to.

Hopfully you can do something with my steps. Thanks again.