4800+ x2, 160GB HDD, 2x2GB DDR800, etc

AMD 4800+ X2 AM2 socket
Gigabytes AMD 785G MATX Mainbroad
2x 2GB DDR800 kingston RAM
160GB SATA seagate HDD

想upgrade去i5,唔知呢堆野分別值幾多?
全部100% work,除ram外已過保, 唔該各位ching~