the bottom line who and what model is the best portable car navigation
out??? seems like everybody has a different answer and too sum up what
i want in one , i like top of the line models with everything and even
if i will never use some of the options. simply the best top 5 or
10.thank you very much, brian

if you want to use GPS system at you car
you can use this GPS 

number 1
http://www.garmin.com/products/sp2820/

but the map of this GPS produced only for GARMIN

you can to produce maps yourself or bay it

number 2

http://www.garmin.com/products/sp7500/

this GPS designed in the USA

number 3

http://www.garmin.com/products/sp550/

new GPS this bluetooth (number 1 also have it)

for my travels I use Garmin GPSMAP60cx

BUT the most popular Decision for this problem:

YOU CAN USE NOTEBOOK this GPS and Google Earth