Planning on building a I7-4770k gaming computer just having a hard time picking a good PSU and great Cooling system. So far I've bought CPU I7-4770k, Asus Maximus Hero MB and Fractal Design Define R4 Case.. Can you guys recommend the best cooling system and a good brand PSU. Im getting a GTX 770 or 780 GPU that I plan to SLI in the future and yes I will OC system.