If you want a more modern interface and wireless connectivity, the Garmin eTrex SE is the official successor. Garmin eTrex 10 Outdoor Handheld GPS Unit - Amazon UK
Supports GPX files for downloading coordinates and descriptions directly to the device. Critical Limitations garmin etrex 10 buy
IPX7 waterproof and built to withstand dust, humidity, and drops. If you want a more modern interface and