'Boasting a bright 3.5" touchscreen LCD, easy to use software and Bluetooth capabilities, the TomTom GO 300 is one of the most impressive GPS units we have seen so far.'
'the navigation on the Rino 520 and Rino 530 are similar to the eTrex Vista C units, in that they come with installed base maps of the US, allows for user downloadable detailed maps, it performs auto routing, off route calculation, turn by turn directions with audible alerts, and has the ability to accept these downloads though a USB connection.'
'The Garmin Rino 530 and Garmin Rino 520 is waterproof to IPX7 standards and is WAAS capable.'