Garmin GPSMAP 478

Pros: Customizable, sophisticated, usable on land or water, dazzling screen, smart, a bit techy

Cons: Difficult power plug into unit, no touch screen; many buttons, long users guide, bit techy

Review: Unit comes pre-installed with North American street map, gas stations, hotels, restaurants, and the national yellow pages listings. Also includes coastal waterway G2 (hi-res) nautical maps when you use the unit in a boat. There is nothing to add via...

Pros: None - Sales without service is useless.

Cons: Extremely Bad Service.

Review: After purchasing this relatively expensive unit I wanted to add Points of Interest to add value.

Good luck getting any support or help on the product. The web site mentions a Points of Interest CD that was discontinued in March and offers...