Need Suggestions to upgrade my PC

Hi,

I want to upgrade my PC. I need your suggestions

My present PC Specifications:
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Motherboard: DELL OFM586
CPU: Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
Graphic Interface: PCI-Express x16
RAM: 3 x 1GB RAM DDR2(333MHz) , 1 x 512MB RAM DDR2(333MHz)
Graphics: ATI Radeon HD 3450 256MB
PSU: 350W(MAX Power)
Cabinet: Inspiron 530
HDD: 320GB
DVD : LG 16x DVD+RW

Please suggest a mid range upgrade.
My budget would be 5k-7k

Thanx

In 5k to 7k budget do you intend to fully upgrade the system from the motherboard to all other peripherals or you just want to upgrade some hardware peripherals with the same motherboard and processor, because in this small budget it is impossible to build a totally whole new computer rig. Can you please explain.

Quote:

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Originally Posted by appy10

In 5k to 7k budget do you intend to fully upgrade the system from the motherboard to all other peripherals or you just want to upgrade some hardware peripherals with the same motherboard and processor, because in this small budget it is impossible to build a totally whole new computer rig. Can you please explain.

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I just want to upgrade some hardware peripherals like the GPU or PSU if it is necessary or the RAM.

I want to keep the same mobo and processor