• Processor (CPU) (x1) : AMD Athlon 64 X2 5400+ Brisbane 2.8GHz Socket AM2 65W Dual-Core black edition - $66.00
• Memory (RAM) (x1) : CORSAIR Dominator 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit - $45.00
• Video Card (x1) : SAPPHIRE 100255L Radeon HD 4670 512MB 128-bit GDDR3 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - $53.69
• Hard Drive (x1) : Seagate Barracuda 7200.10 ST3250410AS 250GB 7200 RPM SATA 3.0Gb/s Hard Drive - OEM - $54.99
• Optical Drive (x1) : Sony NEC Optiarc 22X DVD±R DVD Burner with LightScribe Black SATA Model AD-7221S - OEM - $27.99
• Other (ex. WiFi) (x1) : GIGABYTE GN-WP01GS PCI Wireless Adapter - $16.99
• Motherboard : BIOSTAR TFORCE TA780G M2+ AM2+/AM2 AMD 780G Micro ATX AMD Motherboard - Retail - $73.99
• Case : Rosewill Conqueror RPS-01-WB500P Triple 120mm Fans Steel ATX Mid tower Computer Case with 500W Power Supply - Retail - $89.99
• Total Price for this build : $428.64

My comments about my computer:

just an idea