ColorTouch is a touchscreen thermostat that offers custom wallpapers, slideshows, and screensavers. Easy to install, the unit has five menu items that make programming a breeze. The device automatically changes temperature and mode for up to four periods per day, and allows homeowners to customize faceplates and update software and firmware. Cost: under $200. Venstar. 818-812-9930. www.venstar.com.