Portable and powerful, the GPSMAP 600 series features a high-sensitivity GPS receiver and boasts an intuitive, waterproof (IPX7) super-bright 5.2” WVGA touchscreen display (800 x 480 pixels) that reacts as users tap or drag through intuitive menus and options. The GPSMAP 640 comes preloaded with comprehensive street maps of North America and worldwide shaded relief mapping in addition to detailed U.S. coastal BlueChartg2 charts. When placed in its included marine mount, these new portables will automatically start up in marine mode, presenting chart features such as shaded depth contours, port plans, wrecks, restricted areas and more. Additionally, with the GXM 40 antenna (sold separately), the GPSMAP 640 can graphically display XM WX Satellite Weather™ data directly on the unit’s display. More than 20 different types of weather attributes – information such as NEXRAD, wind speeds, visibility, severe weather storm tracks and more – deliver location-specific data, in chart-overlay form, directly to the device. With the GXM 40, motorists and mariners also have the option of receiving nearly 200 channels of commercial-free music, news, sports talk and entertainment with XM Satellite Radio. To steer clear of traffic backups, XM NavTraffic is also available to motorists with the GXM 40 antenna. For international boaters, Garmin is also offering the GPSMAP 620 which provides a worldwide basemap with shaded relief. The GPSMAP 620 supports optional street map and marine chart data through an SD card slot…