Helping to kick off NVIDIA's NVISION graphics expo, ViewSonic today revealed a prototype of one of the first computer-oriented LCDs to claim a 120Hz panel. The 22-inch VX2265wm borrows the same philosophy as for HDTVs and doubles the 60Hz refresh rate of most LCDs to eliminate the blurring, ghosting, and other effects that crop up in games and other fast-moving scenes. The panel is also fast out