Found under: HTC, Devices, Pocket PC, GPS, Mobile News,

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. (Reviews, GPS, Mio DigiWalker, Navigation)
The Asus MyPal A636 is a PDA with a built-in GPS receiver that puts maps and directions on an equal footing with appointments and e-mail. While it delivers accurate directions and long battery life, it's a bit sluggish. (Reviews, GPS, Asus)
Thanks to excellent navigation software, the iQue M5 ranks among the best GPS/PDA combos we've seen--but it's too expensive. (Reviews, GPS, PDA)