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Remember that roadside barbecue joint in Texas where you had the ribs that changed your life? Can you remember the address? Did it even have one? It´s no problem for the Navman iCN750 [above]. Just pull the battery-equipped device from its windshield mount, snap a picture with the integrated 1.3-megapixel camera, and the unit will store the photo paired with the location´s GPS coordinates. The next time you´ve got a hankering for ribs, go to the NavPix menu, select the shot, and the 750 will guide you back. You can trade pics between 750s or offload them to a PC with a USB cable or an SD card. The gadget has room for about 5,000 pictures-enough for a cross-country barbecue safari. Don´t forget the Wet-Naps.

Garmin GPSMAP 378

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Equally useful in your car or boat, the GPSMAP 378 has street-level maps of the U.S., as well as high-res nautical charts of 3,200 lakes and low-res versions of thousands more. $1,285; garmin.com
MapQuest Navigator

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This downloadable application turns your cellphone into a real nav system using its built-in GPS. Get detailed directions, automatic rerouting, even a pedestrian mode for foot travel. $10/month; mapquest.com
TomTom GO 910

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Bring John Cleese on your next road trip with the 910, which lets you download new navigation voices (freeâ€$13 each). Choose from celebrities or types, like a New York City cabbie. $800; tomtom.com
Navman iCN750

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Dimensions: 3 x 5.3 x 1.2 in.
Battery Life: 5 hrs.
Camera: 1.3 megapixels
Memory: 4 GB-2 for maps, 2 for photos
Display: 4-in. touchscreen
Get It: $800; navman.com
Mio Digiwalker C310

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The C310 syncs with your Outlook e-mail contacts folder and can automatically guide you to any of those addresses. Its built-in MP3 player will keep you humming along the way. $650; miogps.com
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