I'm about to finish my water cooling build and need one last piece of advice. I already have two black ice sr1 480's and 11 sp120 quiet fans I used for a previous build. Question is, would it be worth it to get 5 more sp120's and call it good, or sell those and get all noctua for push-pull? I've heard the sp120's don't make good rad fans because they aren't perfectly square, but I've also heard the temp difference is 1-2 degrees...an amount I can live with. I'm willing to spend the money if the difference would be greater than 1-2 degrees. I haven't used the sr1's yet, this is my first water cooling build. My current sp120's are the only previously used parts.