Thnx for reply Rizlla.
I agree with you.
But my question is littlebit different.
There are two board in my category.
One board with DVI,HDMI output and also with 16x PCI slot.
the other one is without display port. It has only option using 16x pci card to get display.
Here is example..
Asus P8Z68-Deluxe board and Asus P8Z68-V.
Which should I buy? Definately I will use board with NVidia GTX560.