I did not get you wrong
Since you've a decent budget :
What is the point for going with ASUS P5N7A-VM LGA 775 ?
MSI ( intel p45 chipset ) is better than 730i
9600GT GFX card can kick the ass of 9300 anyday
Stick with intel
If you still want to go with onboard gfx then the asus mobo is good chioce.