Speaking of Henry, I bought his home study course (cd,s) many years ago, and it remains, in my view, the best, most comprehensive course material on property investing in Australia.
His ethics however, are a separate matter, and not to be confused with the quality of his material which is as relevant today as when it was first issued IMO.
However in all other respects, I agree that this forum is the best source for views and opinions on matters of real estate.
Tony