I have decided upon the following configuration, but im not sure whether the PSU will be enough for my GPU. The configuration:
Processor : Core i3 3220
Mobo : Gigabyte B75 D3H
RAM : Corsair Vengeance 4 GB
PSU : Corsair cX430V2
HDD : Seagate Barracuda 1 TB 7200 RPM
GPU : Sapphire AMD?ATI HD...