And, yessssss....I agree with you 100% re: Edgar Cayce - what a being he was! Have you read Kirkpatrick's "Edgar Cayce - an American Prophet"? It's a pretty recent, very interesting biography.
A couple of years ago I really started looking into all his health readings, making correlations...you've probably seen the database linked below...?
He is a Pisces with 4 planets in Pisces - one way of showing how connected to the 'other non-material world' he is - he could swim amidst the library of knowingness with ease...!