You can still do better. You're using a generation old CPU and chipset. The CAS 10 RAM can be improved as well.
This build includes CAS 9 1866MHz RAM, a nice CPU cooler, and a GTX 770. It would be a well-rounded system that is good at gaming and video editing. I also included a nice PCI-E wireless network adapter just because you had one in your build. If you don't need that and can use a wired connection that will save $100.
[PCPartPicker part list](http://pcpartpicker.com/p/2Kdsa) / [Price breakdown by merchant](http://pcpartpicker.com/p/2Kdsa/by_merchant/) / [Benchmarks](http://pcpartpicker.com/p/2Kdsa/benchmarks/)
Type|Item|Price
:----|:----|:----
**CPU** | [Intel Core i7-4770K 3.5GHz Quad-Core Processor](http://pcpartpicker.com/part/intel-cpu-bx80646i74770k) | $327.99 @ NCIX US
**CPU Cooler** | [Xigmatek GAIA SD1283 56.3 CFM CPU Cooler](http://pcpartpicker.com/part/xigmatek-cpu-cooler-gaiasd1283) | $36.99 @ Microcenter
**Motherboard** | [Gigabyte GA-Z87-DS3H ATX LGA1150 Motherboard](http://pcpartpicker.com/part/gigabyte-motherboard-gaz87ds3h) | $99.79 @ Newegg
**Memory** | [G.Skill Sniper Series 16GB (2 x 8GB) DDR3-1866 Memory](http://pcpartpicker.com/part/gskill-memory-f31866c9d16gsr) | $164.99 @ Newegg
**Storage** | [Western Digital RE3 1TB 3.5" 7200RPM Internal Hard Drive](http://pcpartpicker.com/part/western-digital-internal-hard-drive-wd1002fbys) | $52.00 @ Amazon
**Video Card** | [EVGA GeForce GTX 770 2GB Video Card](http://pcpartpicker.com/part/evga-video-card-02gp42776kr) | $329.99 @ NCIX US
**Wireless Network Adapter** | [Asus PCE-AC68 802.11a/b/g/n/ac PCI-Express x1 Wi-Fi Adapter](http://pcpartpicker.com/part/asus-wireless-network-card-pceac68) | $99.99 @ Newegg
**Case** | [Corsair 200R ATX Mid Tower Case](http://pcpartpicker.com/part/corsair-case-200r) | $57.99 @ Microcenter
**Power Supply** | [SeaSonic S12II 620W 80+ Bronze Certified ATX Power Supply](http://pcpartpicker.com/part/seasonic-power-supply-s12ii620bronze) | $71.30 @ Newegg
**Optical Drive** | [Samsung SH-224DB/BEBE DVD/CD Writer](http://pcpartpicker.com/part/samsung-optical-drive-sh224dbbebe) | $16.98 @ OutletPC
**Operating System** | [Microsoft Windows 8.1 - OEM (64-bit)](http://pcpartpicker.com/part/microsoft-os-wn700615) | $89.99 @ NCIX US
| | **Total**
| Prices include shipping, taxes, and discounts when available. | $1348.00
| Generated by PCPartPicker 2014-01-30 11:27 EST-0500 |