Frankly, I don't like either psu much - your original Fatl1ty is better. You don't need 7xxW for this rig, unless you are protecting yourself to add a second vidcard. If not, go down to 520W Seasonic or Corsair.
Neither CL nor speed matters much for gaming. If you are OCing the cpu, get 1600 cl9. If not OCing, get 1333 CL9. If, by chance, a CL7 kit from a quality vendor is within a few dollars of either one, you could choose that kit. But you will not notice the change in performance.