Sony's illustrious VAIO Z may have a so-called "Dynamic Hybrid Graphics System," but NVIDIA's Optimus it is not. Or is it. Notebook Review's own igorstef started digging deeper within the laptop's switchable GPU setup, and lo and behold, it sure looks as if Optimus is underneath. He went through the painstaking process of installing a slew of new drivers and tweaking some code within select .inf files, and in the end he seemingly found a way to get Optimus drivers working on the new rig. Of course, the debate has been raging on for five pages now, and it still seems
