My i7 950/xfire 5770s/6gb RAM is enough for me. I am assuming your computer is overkill for anything you would ever use it for and it is more for bragging rights? By the way, I am probably the only one who thinks this, but those cases are ugly and WAYYYYYY too expensive.
I give your whole rig(Assuming its sandy bridge, if not, knock 1.5 more points off) a 7.2/10.