Yes, it looks good, just a few things.
Get cooler--->
http://www.newegg.com/Product/Produc...82E16835233001
This cooler is a great cooler, and its only 25 bucks, it is a great cooler for overclocking as well.
and about the sound card, the on board sound will be not much worse than the sound card sound quality, if you are going to get a sound card get the x-fi's
http://www.newegg.com/Product/Produc...82E16829102006
But great build other wise, nice case.