If you can overlook the cost of the OS, DVD-RW and the AC Wi-Fi card. I did this in less than 5 minutes so you may find better deals or there might be a few MIR's. I guess the ASUS prebuilt is not exactly terrible for someone who doesn't want to build their own.
PCPartPicker part list / Price breakdown by merchant
| Type | Item | Price |
|---|---|---|
| CPU | Intel Core i5-4460 3.2GHz Quad-Core Processor | $227.03 @ Vuugo |
| Motherboard | ASRock H81M-DGS R2.0 Micro ATX LGA1150 Motherboard | $49.50 @ Vuugo |
| Memory | Patriot Signature 8GB (2 x 4GB) DDR3-1600 Memory | $48.98 @ DirectCanada |
| Storage | Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive | $58.03 @ Vuugo |
| Video Card | Asus Radeon R7 370 4GB Video Card | $217.75 @ Vuugo |
| Case | Zalman Z5 ATX Mid Tower Case | $39.99 @ Newegg Canada |
| Power Supply | EVGA 600B 600W 80+ Bronze Certified ATX Power Supply | $69.98 @ Newegg Canada |
| Prices include shipping, taxes, rebates, and discounts | ||
| Total (before mail-in rebates) | $761.26 | |
| Mail-in rebates | -$50.00 | |
| Total | $711.26 | |
| Generated by PCPartPicker 2015-10-25 02:24 EDT-0400 |