Everything should work nicely together in that build. However, there's a few areas where you can save money or get better components. First, ASUS motherboards are good but kind of pricey for the features you get. Take a look at Asrock boards (the p67 pro3 and extreme4. For the money, features, and good reviews, they can't be beat.
With RAM get Geil value plus ddr3 1600, it's ddr3 1600 for three bucks more.
Lastly, for your build, you could use a 600w psu just as well, unless you are looking for room to upgrade.