Comdex is a large animal that doesn't have a focus anymore as the industry moves into a wireless and appliance area.
The device will surely have its early adopters.
Most companies don't know if and how wireless will be used. They would like to believe it will interact seamlessly but there are a lot of variables that have yet to be answered.
The U.S. is way behind.
Add-on devices are a Band-Aid approach for PDA manufacturers to provide solutions.