Hey that is great news. I learned most of what I know the same way. You gotta learn it somewhere. Since your keeping the asus board your dell power supply won't work. Might I suggest another?
http://www.amazon.com/gp/product/B000X2677A/ref=noref?ie=UTF8&s=electronics
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006
o1die turned me on to this 750w ( major props to o1die for that thanks ) and I've been putting it through it's paces for 4 days now and it has proven to be as a rock solid unit as Corsair usually is. It has long cables so it definitely will reach around your VGA card. And enough sata and molex connectors to actually make use of all those 3.5 and 5.25 drive bays. Also it is wispier quiet I can barely even hear it. If you don't need that many watts then the other power supplys in this line are also reasonably priced and on sale. I gave you two links to the same thing because usually one store will have a $10 rebate and the other will have $20.
P.S. If you want to post a link to the ram you are looking at that would be cool.
P.S.S. That is a real cool case you are looking at.
P.S.S.S. I have a very similar set-up hardware wise to yours.