Help with upgrading! :)

[r0bbi3]

Hey everyone! I wanted to upgrade my computer but I wanted some insight on the hardware I already have, and what I should and shouldn't upgrade. Also any new releases I should buy that are compatible with my computer. Heres some specs


Windows Vista
MB: ASUS M3N78 PRO ACPI
CPU: AMD Athlon 64 X2 Dual Core Processor 6000+, 3000 Mhz, 2 Cores, 2 Logical Processors
Video Card:NVIDIA GeForce 9600 GT

500W Power Supply
3 GB of RAM

Budget should be around $400 for upgrades. Mainly for gaming. Let me know if I'm missing anything.

 

[JMMD]

Here are some options:

CPU: AMD Phenom II X4 940 Black Edition $100
COOLER MASTER AMD compatible Gemini II S Heatsink fan (if needed) $40
Nvidia GTX 460 $170 or GTS 450 ~$110-120
CORSAIR CMPSU-550VX 550W ATX12V (if your current PSU needs to be replaced) $80
COOLER MASTER GX Series RS750-ACAAE3-US 750W $90