I Just orders a Gigabyte AM3+ AMD 970 SATA 6Gbps USB 3.0 ATX DDR3 1600 Motherboards GA-970A-DS3P, Sentey® Gaming Case Optimus Gs-6000r, and, AMD FD8320FRHKBOX FX-8320 FX-Series 8-Core Black Edition. Should I get an after market CPU fan or liquid cooling or use stock? I might over clock In the future