I recently purchased a GPS device Visiontac VGPS-900, which is a Bluetooth GPS Receiver and Data Logger. This is a unique GPS receiver with data logging functionality having more than 2 million waypoints (which is way over than 100 thousand waypionts in a conventional GPS data logger) and voice recorder.
This is extremely compact, snugly fits nice in your pocket along with your PDA or mobile or in a backpack (click
