New build for roughly $300

My boss asked me to build a PC for his wife. She said she didn't want it to be over $300. I told her that would be tough but I would try. She supposedly only uses it for editing photos she takes as well as facebook. How does this build look?

PCPartPicker part list: http://pcpartpicker.com/p/uS2L
Price breakdown by merchant: http://pcpartpicker.com/p/uS2L/by_merchant/
Benchmarks: http://pcpartpicker.com/p/uS2L/benchmarks/

CPU: AMD Athlon II X4 640 3.0GHz Quad-Core Processor ($74.99 @ Newegg)
Motherboard: Asus M4N68T-M V2 Micro ATX AM3 Motherboard ($53.89 @ NCIX US)
Memory: Patriot Viper 3 8GB (2 x 4GB) DDR3-1600 Memory ($27.99 @ NCIX US)
Storage: Western Digital Caviar Blue 500GB 3.5" 7200RPM Internal Hard Drive ($54.99 @ Microcenter)
Case: Apex PC-389-C ATX Mid Tower Case ($29.98 @ Outlet PC)
Power Supply: Corsair Builder 430W 80 PLUS Bronze Certified ATX12V Power Supply ($34.99 @ Newegg)
Optical Drive: Sony AD-7280S-0B DVD/CD Writer ($18.99 @ Newegg)
Total: $295.82
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2012-12-29 18:00 EST-0500)