He contends, however, that PNDs still offer some advantages, including larger screens, higher-quality speakers and more accurate GPS receivers.

FORBES: Magellan��s Response To GPS-Enabled Phones: Go Big

The next Switched On will take a closer look at Dash's prospects as it navigates the space between cheap, unconnected PNDs and GPS-enabled cell phones.

ENGADGET: Switched On: Dash delivers open roads, open questions (Part 1)

We provide consumers and enterprise, government and automotive industry customers with digital maps, traffic intelligence, navigation software, PNDs, automotive systems, fleet management services, smartphone apps, fitness devices, POIs and speedcam intelligence.

ENGADGET: TomTom powering Samsung Wave 3 Bada Maps Mobile

Some analysts predicted smartphones would quickly replace PNDs.

FORBES: Magellan��s Response To GPS-Enabled Phones: Go Big