Quote from juejue :

dont get the 9800x2 w/e the 3870x2 is better and cheaper performance wise but yea look it up on newegg.com

3870 x 2 is not better performance wise

If i'd be thinking about 8800 GT(S) SLI performance, it'd be 9800GX2 for sure as i've not heard anything good about nVidia Intel chipsets...