I'm having trouble on which CPU cooler I should buy

Solution
Better power supply that 650W EVGA Gold is poor.
Corsair h80i cooler.

http://www.corsair.com/en-us/graphite-series-230t-windowed-compact-mid-tower-case-battleship-grey

Compatible Corsair Liquid Coolers
H55, H60, H75, H80i

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($251.03 @ DirectCanada)
CPU Cooler: Corsair H80i 77.0 CFM Liquid CPU Cooler ($94.98 @ Amazon Canada)
Motherboard: Asus Z87-A ATX LGA1150 Motherboard ($137.99 @ NCIX)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1866 Memory ($90.76 @ DirectCanada)
Storage: Samsung 840 EVO 120GB 2.5"...
Better power supply that 650W EVGA Gold is poor.
Corsair h80i cooler.

http://www.corsair.com/en-us/graphite-series-230t-windowed-compact-mid-tower-case-battleship-grey

Compatible Corsair Liquid Coolers
H55, H60, H75, H80i

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($251.03 @ DirectCanada)
CPU Cooler: Corsair H80i 77.0 CFM Liquid CPU Cooler ($94.98 @ Amazon Canada)
Motherboard: Asus Z87-A ATX LGA1150 Motherboard ($137.99 @ NCIX)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1866 Memory ($90.76 @ DirectCanada)
Storage: Samsung 840 EVO 120GB 2.5" Solid State Drive ($87.68 @ DirectCanada)
Storage: Seagate Barracuda 3TB 3.5" 7200RPM Internal Hard Drive ($99.99 @ Amazon Canada)
Video Card: Gigabyte Radeon R9 290 4GB WINDFORCE Video Card ($399.99 @ Memory Express)
Case: Corsair Graphite Series 230T Grey ATX Mid Tower Case ($72.31 @ DirectCanada)
Power Supply: EVGA 750W 80+ Bronze Certified Semi-Modular ATX Power Supply ($82.99 @ Canada Computers)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($19.75 @ Vuugo)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($99.79 @ DirectCanada)
Total: $1437.26
Prices include shipping, taxes, and discounts when available
 
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