Why not haswell with an i5-4670k? Also, I HIGHLY recommend switching out your PSU for a different one eg. Corsair or Seasonic is what I recommend. Cooler master does not make good power supplies. Many bad reviews on the GX series and I had some that kept failing me. Other than that, you should be fine.
I will look into a different psu but my reason for the 3570k was because I heard there only slight supper difference to te 4670k and that the 3570k is a lot better for OC as the 4670k gets a lot hotter or something . I can afford to stretch my budget to get the 4670k but like I said in my question I won't be using it for heavy gaming just casual