Guys, don't let your positivism carry you away. Plato told lots of stories in his dialogs, and he wasn't trying to give an accurate record of the past. The search for Atlantis is even worse than the search for Noah's ark. In neither case is the actual existence of the thing relevant to the story; but at least in Noah's case people take it on faith. But if the Cyprus Tourism ORganization can give that guy $60k to claim atlantis is off the coast of Ayia Napa, maybe they can give me some money too....
(and don't believe the historical BS you see ont he Discovery Channel, or the Hitler Channel for that matter. They want viewers, not historical accuracy).