Soon, I will be making upgrades to my computer. I will be changing out my motherboard and my graphics cards. On the motherboard, I'm going from an Asus m4 to a Gigabyte 990fx. My current graphics cards are 2x GTX9800's and I will be switching to a single Gigabyte 6950. Now I just have a few questions. Do I need to strip the Asus mobo drivers from my computer before installing the new motherboard and it's drivers? And as for the graphics card solution, I know I have to strip the Nvidia drivers completely before my AMD card will work; so what's the best way to go about doing this?