What is the sufficient PSU need for my build?

[Scorpinox]

My complete build can be found at this link:http://pcpartpicker.com/p/27rzz.

The estimated wattage provide by PCPartPicket is 672W and my current PSU is 750W.
I do intend to overclock my CPU and understand that will require more power to run.

Will I be fine with a 750W PSU or should I fork up another $75 for an 1000W PSU?

Thanks for your help!

 

[gigdog]

750 should be fine but it's up to you if money is no object then spend away why not go the hole hog a get a 1200 w

 

[jimthenagual]

You're going to want to be in the 850W range. I just upgraded my PSU to the Corsair AX860 as I have a 2nd 770 on the way.