[gambler]

>Further, a web based system would limit the amount of information a physician could get and be subject to the reporting of a lay person.

I'm talking about an expert system. You enter symptoms. It asks you questions. Then it says something "there a high probability you have X and medium probability you have Y".

[caraffle]

And a physical exam? Who's going to listen to your lungs and heart, check out your throat, ears, nose, eyes? Those are invaluable in diagnosing even the most common illnesses.