@ErikBauerFYI: A 640x400 "screen" is the same as a 640x400 texture pasted to a 640x400 polygon...which gets mapped to a 640x400 frame buffer. How do you think OS4.1 enabled "screen dragging"?Each screen is mapped to a texture and polygon, then you simply change the position of the polygons and render away...This is why it's only possible if you have a card with supported 3D drivers...