MiTAC Industrial Corp. PDAs

The Bottom Line: On paper, the Mio DigiWalker P550 looks to be an attractive gadget for the mobile professional, combining the capabilities of a PDA and GPS into one device. However, its poor battery life and subpar navigation skills tell a different story.

Specs: Microsoft Windows Mobile 5.0, 64 MB, Samsung 400 MHzS3C2440, IEEE 802.11b, IEEE 802.11g, Bluetooth 2.0, 2.8 in x 0.7 in x 4.5 in, Stylus, Touch-screen, 4-way joystick

The Bottom Line: Though not ideal for the car, the ultraportable Mio H610 is an accurate navigator and a decent multimedia player for use on foot.

Specs: Microsoft Windows CE .NET 4.2 Core, 64 MB, Samsung 400 MHzS3C2440, Stylus, Touch-screen

The Bottom Line: Though still a practical PDA/GPS combo, the Mio 168RS offers few compelling improvements over its predecessor.

Specs: Microsoft Windows Mobile for Pocket PC 2003 Second Edition, 64 MB, Intel 300 MHzXScale, IrDA, 4.4 in x 0.9 in x 2.8 in, Stylus, Touch-screen

The Bottom Line: The Mio 168 hits a couple of roadblocks in the city but still drives off with a winning PDA/GPS combo.

Specs: Microsoft Windows Mobile for Pocket PC 2003, 64 MB, Intel 300 MHzXScale PXA255, 2.8 in x 0.6 in x 4.4 in, Stylus, Touch-screen

Specs: Microsoft Windows Mobile for Pocket PC 2003, 64 MB, Intel 400 MHz, IrDA, Bluetooth, IEEE 802.11b, 2.8 in x 0.6 in x 4.9 in, Stylus, Joystick, Jog wheel, Touch-screen