Mike:
I would welcome the ability to access certain info wirelessly - like the propagation and spots info. I use an interactive pager and find the call sign lookup at QRZ.com very handy, even though it is kind of basic (email).
Regarding PDAs, I use a Palm VII, which is wireless also, on a regular basis and would be interested in seeing eham.net in a format for that type of device.
Regards,
Frank, WB2HMG