You have posted in the Suoppot/Hotlines section of the Forum. Try posting this in the Systems section here *click me* under 'homebuilt'. Looks like you could buy a pretty good car for the cost of what you have listed. Check the top of the link provided for ideas.
You have a few dollars sunk into that case and mobo and you shorted yourself on gpu power. Here's a few changes to that build that will put you into a better vid card and ram without taking any quality away.