Thanks for the info. Yes, I want to create maps to contribute to the project, plus for my own use. I don't understand how the iPaqs would connect via serial... I can't find any adapters on the web... maybe I'm looking for the wrong thing. I learned about the garmin PDAs this afternoon (with GPS ...

Can anyone recommend a PDA that I can plug my eTrex into for mapping? I assume I'd need an external antenna too?

I'd rather not use a laptop if possible.

Thanks in advance.