The LS 430, being the flagship, offers Lexus' most luxurious interior, complete with such amenities as a 14-way power-adjusted driver's seat, a leather and wood-trimmed shift knob, deep pile carpeting, vanity mirrors galore, lots of walnut or golden-eye maple, and a great (optional) navigation system.

FORBES: Test Drives

Developers of navigation apps and hardware must place great care in creating an experience that doesn't unnecessarily distract the driver.

ENGADGET: Switched On: A road trip with Siri

It turns out that you can dump the image files (JPG only) anywhere in the file structure of the player and view them using the Browser, but if you want to take advantage of the built-in slideshow-type navigation features (which aren't that great, anyway) you have to put the files into a specific spot.

ENGADGET: iRiver H10: Hands-on review

In our effort to build the great article page for an author, we realized it needed navigation to help related writers and readers, too.

FORBES: Inside Forbes: We're Breaking Free of the Time Warp the News Industry Is Trapped In

It gives you everything you get from a GPS device, including 3D maps and voice navigation, and more, all drawing on the great potential of crowdsourcing.

FORBES: Waze Keeps You Out of Traffic, as GPS Meets the Power of the Crowd