Dwarf Computers: Runt Stars of Portability?

Every week, some enterprising vendor decides it can make a gadget to replace a laptop and look what was delivered: PDAs that can surf the Internet, poorly, and phones that play videos, poorly.  What wouldn't lawyers give to be able to sail through airport security without the weight, bulk and inconvenience of lugging a Targus notebook bag. Author Alan Cohen looks at some "hyped" laptop alternatives that, under certain circumstances, might succeed where so many others have failed: giving lawyers the ability to leave their laptops -- but not their productivity -- behind.