The 4.2 Ghz is not the issue and neither is the pro graphic card. It's the RAM. Although 512 meets the minimum requirement, I warmly recommend anyone wanting to work with Vue (or any other 3D application doing a lot of real time open GL stuff) to have at least 1Gb RAM installed. OR - to disable the most advanced Open GL features in the options menu when you know you are going to make heavy metaball works or very large scenes.