doubleofive said:
http://doubleofive.wordpress.com/2009/12/16/star-wars-saga-viewing-order/
451236
I'm not sure this has been tried with a "virgin" yet, I'd like to see how it goes.
I was just going to suggest this as well. Doing it this way, the PT becomes a giant "flashback" in the films explaining how we got to "I am your father", then we come back to "current" time and finish the story with ROTJ.