GPU and PSU upgrade, Here is the spec.?

Processor Type Intel Core 2 Quad Q6600 / 2.4 GHz Multi-Core Technology Quad-Core 64-bit Computing Yes Installed Qty 1 Max Supported Qty 1 Cache Memory Type L2 cache Installed Size 8 MB Cache Per Processor 8 MB Mainboard Chipset Type Intel G33 Express Data Bus Speed 1066 MHz RAM Installed Size 4 GB / 8 [...] http://bit.ly/qjZUoX