I can do much better than that...
Don't go 1440p 60Hz, 1080p 144hz is much better.
It requires you to go $67 over budget, but you can get a 1080p 144hz monitor along with 16GB of RAM, and a better value power supply.
PCPartPicker part list:
http://ca.pcpartpicker.com/list/YsNTJV
Price breakdown by merchant: http://ca.pcpartpicker.com/list/YsNTJV/by_merchant/
CPU: Intel Core i5-6500 3.2GHz Quad-Core Processor ($256.95 @ Vuugo)
Motherboard: ASRock H110M-HDS Micro ATX LGA1151 Motherboard ($39.98 @ NCIX)
Memory: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-2133 Memory ($79.99 @ Newegg Canada)
Storage: A-Data Premier SP550 120GB 2.5" Solid State Drive ($46.98 @ DirectCanada)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($62.95 @ shopRBC)
Video Card: Gigabyte GeForce GTX 1070 8GB G1 Gaming Video Card ($565.73 @ DirectCanada)
Case: Deepcool TESSERACT SW ATX Mid Tower Case ($44.99 @ Newegg Canada)
Power Supply: SeaSonic S12II 520W 80+ Bronze Certified ATX Power Supply ($79.99 @ Newegg Canada)
Monitor: Acer GN246HL 24.0" 144Hz Monitor ($287.98 @ DirectCanada)
Total: $1465.54
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-08-15 22:33 EDT-0400