Hmm, i'm very much an intel fanboy myself, but for 1200 dollars i don't think an i7 at all is going to match your budget, unless you get a less powerful GPU and small amounts of RAM, etc. If i were you i would go with the AMD Phenom 2 X4 955. It's also a decent CPU, i've worked with it myself and its powerful, for less than half of the price of the i7. However, if you're really going towards intel here, i would suggest the i5 2500k. Did you say you were only going to be playing WoW? Because that wont take all too powerful of a GPU itself. To be honest, an i3 could run Wow amazingly, though it doesn't set a big role in the gameplay itself. Anything else?