gan ane mau tau klw upgrade komputer brapa ya gan???

spek komputer ane:
-Intel core 2 duo
-amd radeon EAH4350 512 mb
-psu simbadda 380 watt(baru 3 bulan)
-motherboard ecsG41T-m12
-windows 7ultimate 32 bit(bajakan gan)
-hdd 320 gb
-vga 4 gb
ane klw lgi dengerin lgu suaranya suka putus"gan...

ane mau upgrade komputer ane jdi lebih strong lgi gan,agar bisa main game" berat kyk battlefield3 gan...ane mau upgrade hrs gnti apa aja gan?

mohon pencerahanya gan....

maaf gan klw acak"an,Newbie...