All components will work. 16GB is a bit overkill for a gamer, 8GB is more than enough unless you specifically know you need more than that for RAM heavy applications. I assume if you are getting a "K" model CPU you will overclock, so I'd suggest an aftermarket cooler. Maybe a CoolerMaster EVO 212+, it's a good bang for the buck. Also, for a PSU you will want at least a 550-600W good PSU. XFX, Corsair, Seasonic, and Antec are all good brands.
Where are you purchasing from? If in the US, Newegg will potentially have deals, combos, and coupon codes, for you.