is this a good computer?

Solution
Xeon E3-1231 v3 is the same i7 4790 minus intergrated graphics. Changed your power supply for a better quality unit.

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Xeon E3-1231 V3 3.4GHz Quad-Core Processor ($242.99 @ SuperBiiz)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($24.88 @ OutletPC)
Motherboard: ASRock Fatal1ty H97 Killer ATX LGA1150 Motherboard ($95.98 @ Newegg)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($42.88 @ OutletPC)
Storage: Sandisk Ultra Plus 128GB 2.5" Solid State Drive ($79.88 @ OutletPC)
Video Card: Asus GeForce GTX 970 4GB STRIX Video...
Xeon E3-1231 v3 is the same i7 4790 minus intergrated graphics. Changed your power supply for a better quality unit.

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Xeon E3-1231 V3 3.4GHz Quad-Core Processor ($242.99 @ SuperBiiz)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($24.88 @ OutletPC)
Motherboard: ASRock Fatal1ty H97 Killer ATX LGA1150 Motherboard ($95.98 @ Newegg)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($42.88 @ OutletPC)
Storage: Sandisk Ultra Plus 128GB 2.5" Solid State Drive ($79.88 @ OutletPC)
Video Card: Asus GeForce GTX 970 4GB STRIX Video Card ($319.00 @ NCIX US)
Case: NZXT Source 530 ATX Full Tower Case ($82.99 @ SuperBiiz)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($55.99 @ SuperBiiz)
Total: $944.59
 
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