$475 gaming build including os not from /r/softwareswap

Two sets for you:

If you are able to do Mail in Rebates PCPartPicker part list / Price breakdown by merchant

Type Item Price
CPU Intel Pentium G3258 3.2GHz Dual-Core Processor $68.98 @ OutletPC
Motherboard MSI H81M-E33 Micro ATX LGA1150 Motherboard $45.99 @ SuperBiiz
Memory Corsair XMS3 4GB (1 x 4GB) DDR3-1333 Memory $24.99 @ Newegg
Storage Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive $49.88 @ OutletPC
Video Card XFX Radeon R9 270 2GB Core Edition Video Card $129.99 @ Newegg
Case Apex Vortex 3620 ATX Mid Tower Case $36.99 @ SuperBiiz
Power Supply EVGA 500W 80+ Certified ATX Power Supply $24.99 @ NCIX US
Operating System Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) $88.98 @ OutletPC
Total
Prices include shipping, taxes, and discounts when available $470.79
Generated by PCPartPicker 2015-01-08 22:52 EST-0500

If you can not do Mail in Rebates

PCPartPicker part list / Price breakdown by merchant

Type Item Price
CPU Intel Pentium G3258 3.2GHz Dual-Core Processor $68.98 @ OutletPC
Motherboard MSI H81M-E33 Micro ATX LGA1150 Motherboard $45.99 @ SuperBiiz
Memory G.Skill Value Series 4GB (1 x 4GB) DDR3-1333 Memory $33.98 @ OutletPC
Storage Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive $49.88 @ OutletPC
Video Card EVGA GeForce GTX 750 1GB Superclocked Video Card $89.99 @ NCIX US
Case Apex Vortex 3620 ATX Mid Tower Case $36.99 @ SuperBiiz
Power Supply Antec 450W ATX Power Supply $29.99 @ Newegg
Operating System Microsoft Windows 8.1 - 64-bit (OEM) (64-bit) $89.98 @ OutletPC
Total
Prices include shipping, taxes, and discounts when available $445.78
Generated by PCPartPicker 2015-01-08 22:53 EST-0500
/r/pcmasterrace Thread