You may not use one, but many companies still need to use a rugged PDA. And if you do need one, the Nautiz X3 should do the trick. It’s a Windows Mobile 6.5 device with an IP65 rating and meets the MIL-STD-810G standard. It’s capable of withstanding drops from 1.8 meters and will operate in temperatures from -20 degrees Celsius to 60 degrees Celsius.
No info on price yet, but specifications include: Windows Mobile 6.5, 806MHz X-Scale processor, 256MB of RAM, 512MB of flash, 3G modem, Bluetooth, GPS, Altimeter, G-sensor, Compass, 3,300mAh battery, 2.8-inch QVGA touchscreen display and a 3-megapixel autofocus camera with LED flash.