need help on desk top building (normal gaming)

CPU: Intel Core i5-4690 3.5GHz Quad-Core Processor ($219.99 @ NCIX US)
CPU Cooler: Cooler Master Hyper 212 Plus 76.8 CFM Sleeve Bearing CPU Cooler ($19.99 @ Newegg)
Motherboard: Asus Z97I-PLUS Mini ITX LGA1150 Motherboard ($154.99 @ Amazon)
Memory: Kingston HyperX 8GB (2 x 4GB) DDR3-1600 Memory ($79.26 @ Amazon)
Storage: Western Digital BLACK SERIES 1TB 3.5" 7200RPM Internal Hard Drive ($79.23 @ OutletPC)
Storage: Western Digital BLACK SERIES 1TB 3.5" 7200RPM Internal Hard Drive ($79.23 @ OutletPC)
Video Card: EVGA GeForce GTX 760 2GB Video Card ($259.99 @ Amazon)
Case: Nanoxia NXDS4W MicroATX Mini Tower Case ($79.00 @ Mwave)
Optical Drive: Asus BW-12B1ST/BLK/G/AS Blu-Ray/DVD/CD Writer ($49.99 @ Newegg)
Case Fan: Nanoxia NDS120PWM-1500 67.3 CFM 120mm Fan ($23.99 @ Amazon)
Total: $1045.66
need comment and advice

[ 本帖最后由 stanley_chan123 於 2014-6-19 09:06 AM 编辑 ]

I don't know why you use a ITX motherboard with a MATX case.
And also, how can you turn on the machine without a power supply?

PCPartPicker part list: http://pcpartpicker.com/p/CFfCFT
Price breakdown by merchant: http://pcpartpicker.com/p/CFfCFT/by_merchant/

CPU: Intel Core i5-4440 3.1GHz Quad-Core Processor ($179.99 @ Newegg)
Motherboard: Gigabyte GA-H97-D3H ATX LGA1150 Motherboard ($99.99 @ Amazon)
Memory: Team Elite 8GB (1 x 8GB) DDR3-1600 Memory ($66.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($54.98 @ OutletPC)
Video Card: EVGA GeForce GTX 780 3GB Dual FTW ACX Video Card ($479.99 @ Newegg)
Case: Corsair 300R ATX Mid Tower Case ($59.99 @ Micro Center)
Power Supply: Corsair Professional 650W 80+ Gold Certified Semi-Modular ATX Power Supply ($78.99 @ Newegg)
Optical Drive: Asus BW-12B1ST/BLK/G/AS Blu-Ray/DVD/CD Writer ($49.99 @ Newegg)
Total: $1070.91
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-06-19 03:43 EDT-0400

Power supply?