Responsive and improved speed
Lifetime map updates (receive up to 4 map updates per year without additional fees)
Lifetime Traffic Alerts, Landmark Guidance
MicroSD card slot for expanding storage
Lifetime map & traffic updates
'Very fast boot-up. '
'Device rebooted (once) during navigation.'
'fantastic GPS unit'
'Occasional lags in menu response.'
'Seamlessly connects to geocaching.com.'
'small screen size and font'
'Exclusive- useful AAA TourBook and Member Roadside Assistance. '
'easy one touch menu'
'160-pixel backlit display'
'PC cable is difficult to attach.'
'The Magellan eXplorist 400 comes with a grayscale display which should be fine for many people.'