i want to upgrade/buy a new one if necessary, trying to keep anything from the old one if i can, this is what i have now (monitor/keyboard/mousse not worth to list there), my budget its 500€
INTEL CORE 2 DUO E8400 (3.0GHZ) SKT 775
ASUS P5E
LC-POWER 600W SUPER SILENT V2.2 (LC6600)
SAPPHIRE HD3850 ULTIMATE 512MB DDR3 PCI-E
GSKILL KIT 2GB DDR2 1066MHZ PK (CL5)
MAXTOR STM3160215AS ATA Device
Thermaltake Matrix VX
INTEL CORE 2 DUO E8400 (3.0GHZ) SKT 775
ASUS P5E
LC-POWER 600W SUPER SILENT V2.2 (LC6600)
SAPPHIRE HD3850 ULTIMATE 512MB DDR3 PCI-E
GSKILL KIT 2GB DDR2 1066MHZ PK (CL5)
MAXTOR STM3160215AS ATA Device
Thermaltake Matrix VX