Well I don't know if I would go as far as Dennis.
I have a Garmin 182C at my steering pedestal for instant reference. Kind of
hard to do with a laptop. I also have a connection down below so that I can
use it to plan while anchored/tied.
Screen resolution is excellent, just as good as a laptop. Colour is very
good but I wouldn't say it was essential. I would say the 182 has the
minimum useable screen size. I don't know how anyone navigates on a PDA.
Bigger is always better. Screen refresh is not instantaneous but I don't
find it a problem, maybe 1 second.
If you don't have a good laptop, and I don't, by the time you buy one and
purchase the navigation software I think you are up into the chartplotter
price range (not for the same size screen I have to admit).

"Dennis Pogson" wrote in message
news:1XCtc.4$984.2@newsfe5-win...
Daniel wrote:
I am sure that this has already been done but new models are
constantly being produced so... why not?
Your experience is very appreciated regarding:
1) screen dimension
2) Color or B/W
3) speed of screen refreshing
4) different cartographic systems/media
5) reliability
...
all points vs price, of course.

Thanks
Daniel

Most serious digital navigation officioados use laptops or PC's with TFT
panels. These plotters are so puny in comparison, and you pay the earth
for
a dedicated device that will do nothing else but show an almost invisible
arrow on a screen barely bigger than your hand, And the resolution is
total
crap!

Wiil this do for starters?

Remove "nospam" from return address.