'While Garmin is well known for its powerful and compact GPS devices, the GPS 18 seemed like a slapped-together solution in comparison to the other packages.'
'The MSN Direct service isn't available in all areas, and names of gas stations weren't always provided.'
'Turn your laptop PC into a powerful street navigator with the GPS 18, a GPS sensor bundled with nRoute and City Select software that automatically guides you with turn-by-turn directions and voice prompts to get you safely to your destination.'
'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.'