It will happen and probably the PDA route. Load up with data in the briefing, plug it into flight deck systems, then reverse the sequence at the end. It could then update your log book and so forth.
The problem is the airline to invest the money to trial it and sort out all the bugs. That takes big dosh - not so much the hardware as the human beings from IT and Flight Ops to integrate it and make it all work.
It also takes a CEO to tell the shareholders to pay up as it will bring savings across the following ten years. The City only want savings in the next ten days ...
Another thing that will drive it, is a WHOLE generation of flight crew that grew up with computers and gameboys and keyboards, rather than pen and paper.
Finally, a regulatory system (FAA/CAA) that believes that the new electronic system will not either cause a prang or, if one occurs, cause them to be blamed.
