$600-650 Budget Gaming Build (i3-2120) (Philippines) Advice

Good day, guys. I live in the Philippines and this is my first post here but I have looked around the forums for a while now.   I have researched a bit and also made a list of components of which I thought are compatible with each other and am seeking your thoughts about this build. Thanks!

Approximate Purchase Date: e.g.: This weekend or sometime within the month

Budget Range: US$600-650 (PHP 25000-27000)

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

Are you buying a monitor: No

Do you need to buy OS: No

Preferred Website(s) for Parts: http://pcx.com.ph/

Location: Manila, NCR, Philippines

Parts Preferences: Intel CPU

Overclocking: No

SLI or Crossfire: No

Your Monitor Resolution: 1280x1024

Additional Comments: Play the latest games at decent fps in low-medium settings. Windows 7 PC.
Already has: monitor, keyboard, mouse, speaker, AVR.


PC SETUP:
processor
Intel Core I3-2120
USD120 (₱5,000.00)

mobo
Asus P8H61-M LE
USD63 (₱2,600.00)

memory
Corsair XMS3 4gb (CMX4GX3M1A1333C9) 2x4
USD67 (₱2,800)

psu
Thermaltake Smart 530w 80+
USD61 (₱2,550.00)

hdd
1.0TB WD Blue
USD96 (₱4,000.00)

Optical Drive
Sony DRU-870
USD22 (₱920.00)

Case
AeroCool X One
USD47 (₱1,950.00)

GPU
Nvidia 9600GT
Already have