you don't need the cooler or the z87 mother board because the i3 is not overclockable .here is a build
PCPartPicker part list:
http://pcpartpicker.com/p/2s1vl
Price breakdown by merchant: http://pcpartpicker.com/p/2s1vl/by_merchant/
Benchmarks: http://pcpartpicker.com/p/2s1vl/benchmarks/
CPU: Intel Core i5-4430 3.0GHz Quad-Core Processor ($184.98 @ SuperBiiz)
Motherboard: ASRock H87M Pro4 Micro ATX LGA1150 Motherboard ($72.99 @ Newegg)
Memory: Patriot Signature 8GB (2 x 4GB) DDR3-1600 Memory ($72.99 @ Newegg)
Storage: Seagate Barracuda 500GB 3.5" 7200RPM Internal Hard Drive ($47.94 @ Amazon)
Video Card: Asus Radeon HD 7770 2GB Video Card ($125.91 @ Newegg)
Case: Antec One ATX Mid Tower Case ($29.99 @ NCIX US)
Power Supply: SeaSonic 400W 80+ Bronze Certified ATX Power Supply ($43.98 @ Newegg)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($16.99 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($99.99 @ Newegg)
Total: $695.76
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-12-29 03:31 EST-0500)