Garmin GPSmap 60(CSx) Battery Power Fix = More Rugged GPS : 4 Steps - Instructables
Amazon.com: Garmin Drive 60 USA LMT GPS Navigator System with Lifetime Maps and Traffic, Driver Alerts, Direct Access, and Foursquare data : Electronics
Best Buy: Garmin GPSMAP 60 Portable GPS Receiver with 2.2" Display 010-00322-10
Leica Geosystems ICON ICG60 GNSS - Transit and Level