gps recommendations?

[David Rysdam]

On Sat, 18 May 2013 08:08:39 -0400, Jeffry Smith <jsmith at alum.mit.edu> wrote:
> Have you done an open source search for "route planning software?" (to
> bring it into the Linux/FLOSS theme of the list)?

Didn't even occur to me. I'll try that. Could work for longer, planned
trips.

But there are also times I'm already in the car or away from home and
want to plan a shorter trip with constraints other than the very
simplistic ones provided (binary decisions on toll roads, etc).

I wonder if there are any firmware replacements that could convert a
typical GPS into a power GPS, a la CHDK for Canon cameras or rockbox for
mp3 players.