changed: - Technical specs - 1 pentium IV with Geforce FX 5700 or better and another - 1 pentium III with normal graphics card - sound system two computers are needed and a crossed network cable or a network where the two computers can communicate with each other. one computer should be some pentium III something or better the other one should be a pentium IV with a geforce FX 5700 or better as we need shader support. and a webcam is needed for this installation as well. a philips to u cam pro or a ultra nx.