syth :
http://pcpartpicker.com/p/X6oW
Is it overclockable? do I need better cooling? or am I fine?
With that high quality build you should get a better cpu cooler so you can get more out of that i7. You could step uo to Noctua's NH-D14, or some closed loop cooler. Corsair H100 or Antec 920 would do for higher overclock on that chip.