Hi, I'm Thomas Walraet.
Currently mapping Paris (France).
I roller-skate with a Garmin Forerunner warped on my arm to record tracks, and use GPSBabel to save the data in GPX format on my GNU/Linux box.
I also uploaded a bunch of tracks made with a Magellan Sportrack between 2002 and 2005.
You can join me at this adress : thomas (at) walraet (dot) com