I looked at the coolermaster and corsair ones and they look good. Does anybody know if these are good makes for power supplies? I am going to use my computer for gaming so i guess i will need at least 600 watt.
Corsair is good. That one in particular is modular and will allow you to only attach what cables you need. Corsair is better than Coolermaster when it comes to PSU's. That being said, I believe you've made a good choice with that PSU.