Sirf3-PNA, Mitac GPS-PDA, Garmin Etrex Vista HCx, Royaltek RGM-3800.

Geocacher and Wikipedian.
More on Wiki-Userpage:
http://wiki.openstreetmap.org/index.php/User:-jha-

OpenStreetMap is a free editable map of the whole world. It is made by people like you.

OpenStreetMap allows you to view, edit and use geographical data in a collaborative way from anywhere on Earth.

OpenStreetMap's hosting is kindly supported by the UCL VR Centre and bytemark.