Video editing is not good on haswell iGPU.
I would recommend the A10-6800k in a build like this:
PCPartPicker part list:
http://pcpartpicker.com/p/18sI4
Price breakdown by merchant: http://pcpartpicker.com/p/18sI4/by_merchant/
Benchmarks: http://pcpartpicker.com/p/18sI4/benchmarks/
CPU: AMD A10-6800K 4.1GHz Quad-Core Processor ($139.99 @ Microcenter)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ Outlet PC)
Motherboard: Gigabyte GA-F2A85X-UP4 ATX FM2 Motherboard ($118.98 @ SuperBiiz)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1866 Memory ($64.80 @ Newegg)
Storage: Toshiba 500GB 3.5" 7200RPM Internal Hard Drive ($49.99 @ Newegg)
Case: Raidmax Tornado (Black/Red) ATX Mid Tower Case ($19.99 @ Newegg)
Power Supply: SeaSonic 300W 80 PLUS Bronze Certified ATX12V Power Supply ($43.98 @ Newegg)
Optical Drive: LG GH24NS95 DVD/CD Writer ($14.99 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($89.98 @ Outlet PC)
Total: $572.68
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-06-20 14:45 EDT-0400)