Is it possible to have both an AGP and a PCI graphics card in a system at the same time, and be able to switch back and forth? I'm in a bind, because I built a new system that I wanted to use for 3D rendering but professional OpenGL cards like 3DLABS, etc. don't perform well in games. I'd like to use the system for both games and rendering, and I thought maybe I'd get an PCI ATI Radeon for games, and an AGP 3DLABS card for rendering. Would this be possible? I'm going to get a monitor with two inputs.