New Gaming Build for son- feedback please

My son has put this build together and I'm hoping you can offer some feedback. We're both newbies. Our budget is pretty tight and I know he would like it to be expandable, if possible. Thanks for your time and expertise.


Approximate Purchase Date:this week

Budget Range:$ 600-700

System Usage from Most to Least Important:gaming, surfing the internet

Parts Not Required:keyboard, mouse, monitor, speakers, has new Antec 900 case

Preferred Website(s) for Parts:newegg.com

Country:US

Parts Preferences:by brand or type : see below

BIOSTAR TZ77B LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard with UEFI BIOSModel #:TZ77BItem #:N82E16813138352Return Policy:Standard Return PolicyIn StockMail in Rebate
$109.99
-$10.00 Instant

$99.99



EVGA 01G-P3-1556-KR GeForce GTX 550 Ti (Fermi) FPB 1GB 192-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video CardModel #:01G-P3-1556-KRItem #:N82E16814130625Return Policy:VGA Standard Return PolicyIn StockMail in Rebate Card


$134.99

Rosewill Stallion Series RD500-2DB 500W ATX12V Power SupplyModel #:RD500-2DBItem #:N82E16817182044Return Policy:Standard Return PolicyIn Stock

$59.99

-$15.00 Instant

$44.99

Intel Core i5-3450 Ivy Bridge 3.1GHz (3.5GHz Turbo) LGA 1155 77W Quad-Core Desktop Processor Intel HD Graphics 2500 BX80637I53450Model #:BX80637I53450Item #:N82E16819116506Return Policy:CPU Replacement Only Return PolicyIn Stock


$199.99

G.SKILL Value Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10600) Desktop Memory Model F3-10600CL9D-8GBNTModel #:F3-10600CL9D-8GBNTItem #:N82E16820231422Return Policy:Memory Standard Return PolicyIn Stock

$39.99

Recertified: Western Digital Caviar Green WD10EARS 1TB SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare DriveModel #:WD10EARSItem #:N82E16822136826Return Policy:Limited Replacement Only Return PolicyIn Stock

$129.99

-$45.00 Instant

$84.99

Microsoft Windows 7 Home Premium SP1 64-bit - OEMModel #:GFC-02050Item #:N82E16832116986Return Policy:Software Standard Return PolicyIn Stock

$99.99

Subtotal:

$704.93


Overclocking: Not sure

SLI or Crossfire: Not sure


Monitor Resolution: 1600 x 900

Additional Comments:

Any help is greatly appreciated! This is my son's first build and I'm not much help!