I've been playing around with jaharkes gpsapp using a friend's garmin eTrex venture. Now I deliberate buying a GPS receiver. Since I'm going to use it in the car only, it does not need to have a display. An external antenna (magnetic or window) would be good. It should have a serial port using a protocol compatible with gpsapp.
Thanks!
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---------------------------- MK1: 00314 (4GB) MK2a: 030103104 (30GB) Installed in a BMW 323ti