Hallo für welches System würdet ihr euch endscheiden?

System 1: AMD Phenom 2 X 4 965 3,40 GHz AM3 6MB 125 W Black Edition DDR3-SDRAM,6 GB NVIDIA-GeForce GT240 1024 MB Windows 7 Professional 64 Bit

System 2: AMD Phenom II X4 840 4x 3,0 GHz Quad Core CPU DDR3-SDRAM,4 GB PCI-E Nvidia Geforce GT430 1024 MB Windows 7 Professional 64 Bit

System 3: AMD Phenom II X4 840 4x 3,0 GHz Quad Core CPU DDR3-SDRAM,4 GB PCI-E Nvidia Geforce GT520 1024 MB Windows 7 Professional 64 Bit