The Poster Alternating System™ is a side-to-side scrolling backlit display that allows easy changeability. Display times for each poster are programmable, and the product comes in single- or double-sided versions with a 15- to 30-poster capacity. The freestanding or wall-mounted displays have an aluminum exterior and interior structure and come in a variety of sizes. (302-475-6022; fax: 302-475-6018; e-mail: peet@orbixinc.com)