confuced

I WANT TO BUY A NEW PC, FOR WHICH I HAVE DECIDED FOLLOWING THINGS. NOW I WANT FEW GOOD MOTHERBORDS GIVING GOOD PERFORMANCE IN THE RANGE OF BELOW 10K. MY SYSTEM IS : Intel core 2 duo 3.16GHz E8500 (6MB L2 cache 1333MHz FSB) 4GB RAM (800MHz) I AM ALSO CONFUCED IN THE CASE OF GRAPHIC CARDS AS...