Magellan Maestro 5310 5″ Widescreen Portable GPS Navigator for $149.99 shipped.  Here is a screenshot for your reference.  Its features include a 5″ touchscreen LCD, text-to-speech directions, integrated real-time traffic, AAA travel information, pre-loaded maps of the entire United States, Alaska, Hawaii, Puerto Rico, and Canada, and integrated rechargeable battery.  Most places have it for $185.