PCPartPicker part list:
http://au.pcpartpicker.com/p/G4rKGX
Price breakdown by merchant: http://au.pcpartpicker.com/p/G4rKGX/by_merchant/
CPU: Intel Core i5-4690 3.5GHz Quad-Core Processor ($259.00 @ Centre Com)
CPU Cooler: Thermaltake CLP0600 45.4 CFM CPU Cooler ($29.00 @ CPL Online)
Motherboard: ASRock Fatal1ty H97 Performance ATX LGA1150 Motherboard ($125.00 @ CPL Online)
Memory: Kingston Fury White Series 8GB (2 x 4GB) DDR3-1866 Memory ($99.00 @ Centre Com)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($62.00 @ Centre Com)
Video Card: Gigabyte Radeon R9 280 3GB WINDFORCE Video Card ($249.00 @ Scorptec)
Case: Cooler Master Storm Scout 2 (Black) ATX Mid Tower Case ($99.00 @ CPL Online)
Power Supply: EVGA 750W 80+ Bronze Certified Semi-Modular ATX Power Supply ($98.00 @ CPL Online)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($19.00 @ CPL Online)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($115.00 @ CPL Online)
Wireless Network Adapter: TP-Link TL-WDN4800 802.11a/b/g/n PCI-Express x1 Wi-Fi Adapter ($45.00 @ CPL Online)
Total: $1199.00
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-12-11 21:14 EST+1100
I got you a better overall system for only a couple dollars more. you dont need 4gb 270x, better with a faster card with slightly less vram. I also added a bit of an overkill psu, but its a good price and will allow you to upgrade at a later date if you wanted. I didnt add a K edition cpu as i assumed your not overclocking, then you dont need K edition. Got a slightly premium motherboard for some extra features, but not too low end. An aftermarket cpu cooler isnt necessary if not overclocking, but i have found intels stock coolers do not cope well in warm ozzy summers. If you are in syd, go to MSY computers for all your parts, they should be as cheap or cheaper than partspicker list and you can pick them up and save any delivery costs.