Looks nice, but I'm not quite sure what advice you're after. Boasting, yes, which is fine (I've been known to do it myself) but advice? You've spent the dosh. Enjoy it - it looks like a nice system.
I suppose my only comment would be that I would have sat tight for a bit and waited for an affordable DX10 card rather than spend money on a card that's on the verge of being obsolete.