We use a handheld unit in our vehicles all the time, since we are geocachers.  Ours is an Etrex
Legend.  It works great, but we don't have the driver try to read it.  That's the navigator's
job.  We use mapsource topos that cover the whole USA, but not Canada.

Bill in the Southwest

----- Original Message -----
From: "Doug Alcock" <doug.alcock@HEWITT.COM>
> about hardware and mapping software etc. I'd also like to hear from people
> who are using handheld units, in terms of how useful they find the
> displays etc and how easy it is to navigate  on the highways and at street
> level.