Elo TouchSystems’ largest Interactive Digital Signage (IDS) touchscreen display promises to deliver a more sensitive and dynamic user experience. The 5500L 55-inch touch display is available with either optical multi-touch or IntelliTouch SAW touchscreens and is thinner than existing IDS displays. In addition, the company has enhanced the 42-inch 4200L and 46-inch 4600L IDS models with IntelliTouch SAW touchscreen technology. Elo TouchSystems, Menlo Park, CA. (800) 557-1458.