I'll take your build and keep in the same ballpark if I can
You build:
PCPartPicker part list / Price breakdown by merchant / Benchmarks
CPU: Intel Core i3-3225 3.3GHz Dual-Core Processor ($131.99 @ NCIX US)
Motherboard: ECS B75H2-M3(1.0) Micro ATX LGA1155 Motherboard ($43.98 @ Newegg)
Memory: Patriot Gamer 2 Series 8GB (2 x 4GB) DDR3-1600 Memory
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($69.99 @ Newegg)
Video Card: Asus Radeon HD 7770 2GB Video Card ($137.98 @ SuperBiiz)
Case: Raidmax ATX-298WR ATX Mid Tower Case ($27.50 @ Newegg)
Power Supply: HEC 585W ATX12V Power Supply ($37.13 @ TigerDirect)
Optical Drive: LG GH24NS95 DVD/CD Writer ($14.99 @ Newegg)
Operating System: Microsoft Windows 8 (OEM) (64-bit) ($93.98 @ Outlet PC)
Total: $557.54
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-05-08 19:24 EDT-0400)
My purposed build:
PCPartPicker part list / Price breakdown by merchant / Benchmarks
CPU: Intel Core i3-3225 3.3GHz Dual-Core Processor ($131.99 @ NCIX US)
Motherboard: MSI B75MA-E33 Micro ATX LGA1155 Motherboard ($56.98 @ Outlet PC)
Memory: Patriot Gamer 2 Series 8GB (2 x 4GB) DDR3-1600 Memory
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($69.99 @ Newegg)
Video Card: Asus Radeon HD 7770 2GB Video Card ($137.98 @ SuperBiiz)
Case: Raidmax ATX-298WR ATX Mid Tower Case ($27.50 @ Newegg)
Power Supply: Corsair Builder 430W 80 PLUS Certified ATX12V Power Supply ($44.98 @ Newegg)
Optical Drive: LG GH24NS95 DVD/CD Writer ($14.99 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($89.94 @ Outlet PC)
Total: $574.35
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-05-08 19:24 EDT-0400)