My software:

• Ubuntu 12.04 LTS 64bit (Precise Pangolin)
• Kernel Linux 3.2.0-38-generic
• GNOME 3.4.2

My hardware:

• CPU: Intel® Core™2 Quad CPU Q6600 @ 2.40GHz × 4
• RAM: 4GB
• GPU: GeForce GTX 260/PCIe/SSE2