so the monitor, keyboard... should be included in the 1400$ budget? here a possible build:
PCPartPicker part list:
http://pcpartpicker.com/p/355sk
Price breakdown by merchant: http://pcpartpicker.com/p/355sk/by_merchant/
Benchmarks: http://pcpartpicker.com/p/355sk/benchmarks/
CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor ($229.96 @ OutletPC)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.98 @ OutletPC)
Motherboard: ASRock Fatal1ty Z87 Killer ATX LGA1150 Motherboard ($119.99 @ Newegg)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($79.99 @ Newegg)
Storage: Samsung 840 EVO 120GB 2.5" Solid State Disk ($89.89 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($57.99 @ NCIX US)
Video Card: Gigabyte GeForce GTX 770 2GB Video Card ($329.99 @ Newegg)
Case: Cougar Solution (Black) ATX Mid Tower Case ($39.99 @ Mwave)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($59.99 @ Newegg)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($19.98 @ OutletPC)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($89.98 @ OutletPC)
Monitor: Asus VE248H 24.0" Monitor ($169.98 @ OutletPC)
Keyboard: Cooler Master CM Storm Devastator Gaming Bundle Wired Gaming Keyboard w/Optical Mouse ($29.99 @ Amazon)
Total: $1347.70
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-03-06 09:05 EST-0500)
speakers:
http://www.amazon.com/Speedlink-Gravity-Subwoofer-Edition-SL-8220-SBK-UK/dp/B006CKZI1S/ref=sr_1_1?ie=UTF8&qid=1394114880&sr=8-1&keywords=speedlink+gravity