A little over a year ago, I brought a friend of mine along for a GeoCache trek to show him what it is all about.  Awhile later, he did some research and purchased a GPS.  Since he lives and breathes computers, it wasn't long before he was messing around with both computers and the GPS.
 
He emailed the site www.gpsbabel.org .  This is a program geared for command line level entry.  GPSbabel converts quite a few file formats to/from your GPS, PDA etc.
 
I thought I'd throw this out to the list  - someone might find it useful.  I've briefly read through the documentation and it seems simple enough.
 
Paul

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