PCPartPicker part list:
http://pcpartpicker.com/p/32aPp
Price breakdown by merchant: http://pcpartpicker.com/p/32aPp/by_merchant/
Benchmarks: http://pcpartpicker.com/p/32aPp/benchmarks/
CPU: AMD Phenom II X4 945 3.0GHz Quad-Core Processor ($80.98 @ SuperBiiz)
Motherboard: Gigabyte GA-78LMT-S2 Micro ATX AM3+ Motherboard ($42.99 @ Newegg)
Memory: A-Data XPG V1.0 4GB (1 x 4GB) DDR3-1600 Memory ($32.99 @ Newegg)
Memory: A-Data XPG V1.0 4GB (1 x 4GB) DDR3-1600 Memory ($32.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.98 @ OutletPC)
Video Card: EVGA GeForce GTX 750 Ti 2GB Video Card ($149.99 @ Amazon)
Case: Rosewill RANGER-M MicroATX Mini Tower Case ($29.99 @ Amazon)
Power Supply: Corsair Builder 430W 80+ Bronze Certified ATX Power Supply ($19.99 @ Newegg)
Total: $449.90
Well if the above member's build has everything you need, then this is a better option.
Mobo is a AM3+ socket, better upgrade down the road.
750ti is much stronger.