I was wondering can i put two different nvidia graphic cards in my computer,i also wanna know is a single 9800 gt better for gaming than two 9500 gt in sli;cus i was considering of buying anohter 9500 gt or a new 9800 gt to replace my 9500 gt and if i can install 2 different nvidia graphic cards ,then i was considering after buying the 9800 gt maybe i should put it in my system without replacing the 9500 gt,keeping the two in my computer that way my graphic performance will be way cool and ready for the hottest games out there ;would that be possible ;pls help me by leaving ur replies that will be great.