Amazon has the Magellan Maestro 4210 4.3″ GPS unit for $99.99 with Free Shipping for a limited time.

The Maestro 4210 features a 4.3″ wide-screen, full-color, anti-glare touch display and 6 Million Searchable Points of Interest: Customers can easily search for restaurants, hotels, airports, gas stations, and more. Results include telephone numbers and addresses. It is newly designed, intuitive user interface makes the Maestro series the easiest to use. It has Look-Up Options: Customers can search for any destination by address, street intersection, and point of interest using fingertip touch interface. It comes loaded with NAVTEQ ON BOARD: Includes pre-loaded maps of the United States, Puerto Rico, and Canada.