Magellan RoadMate 1440 4.3" Portable GPS Navigator for $79.99 shipped for Costco members.  Non-Costco members are charged a non-member surcharge of $5.50 for a total of $85.49.  Here is a screenshot for reference.  It features a 4.3" touchscreen LCD, turn by turn direction with spoken street names, maps of the United States, Canada, and Puerto Rico, a roadside assistance menu, and more.  Most places sell this GPS for about $119.