For your builds, build 1 is better.
PCPartPicker part list:
http://pcpartpicker.com/p/3doK4
Price breakdown by merchant: http://pcpartpicker.com/p/3doK4/by_merchant/
Benchmarks: http://pcpartpicker.com/p/3doK4/benchmarks/
CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor ($219.00 @ Amazon)
CPU Cooler: Noctua NH-D14 65.0 CFM CPU Cooler ($71.99 @ Mwave)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.99 @ NCIX US)
Motherboard: ASRock Z87 Extreme3 ATX LGA1150 Motherboard ($109.99 @ Micro Center)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1866 Memory ($72.25 @ Newegg)
Storage: Crucial M500 240GB 2.5" Solid State Disk ($109.99 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.99 @ Amazon)
Video Card: Zotac GeForce GTX 780 Ti 3GB Video Card ($689.80 @ Mwave)
Case: Cooler Master HAF 922 ATX Mid Tower Case ($89.99 @ Amazon)
Power Supply: XFX ProSeries 850W 80+ Gold Certified Fully-Modular ATX Power Supply ($124.99 @ NCIX US)
Optical Drive: LG WH14NS40 Blu-Ray/DVD/CD Writer ($64.74 @ OutletPC)
Monitor: LG 23EA53V-P 23.0" Monitor ($219.00 @ Adorama)
Total: $1861.72
This is my recommendation for gaming though.