SAT NAV

Hi members does any 1 know what sat nav system would be good for truck driving? I have just ordered a tomtom system people say it is the best availible for the money? you can use it with a PDA or a laptop.

I have a navman that works with a pda got it off e bay. have a look at this site pocketgps.co.uk/ it may help in the forums people tell of there errors found with sat nav maps.