I've been using this box for about 3 days now playing WoW and I must say I am very pleased with my purchase. I'm getting a whopping 60 frames per second (or more, I think I'm getting closer to 70 or 75 but WoW doesn't display it). Coming from 8 to 18 in Hyjal trash is a massive difference. Sunday I think I only dipped into the 40s with massive AOE (area of effect) spells going off all over the place (and mind you, I've got my settings cranked up); you really only need 30FPS for smooth game play.
I ended up going to Fry's last night and purchasing 2 sticks of PC8500 memory so I could use the system while RMA-ing my Corsair Dominator memory back to Newegg. I think the only crappy part is the 25 dollar restocking fee I had to pay to send the motherboard back. Oh well. I'd say all and all I will have put 1400 into the machine by the time I am done with it. I had been thinking of adding another drive for raid but I've changed my mind. This system is right where I want it...