I just came across a very interesting-looking book. It's called "Personal Prophecy," by Deborah Leigh. I ordered it from Amazon, and then I found the publisher's website, where you can actually read the entire book online:
http://www.iuniverse.com/bookstore/book_detail.asp?isbn=0595291953
The card meanings seem to be derived from the types of meanings one can find in older sources, but they've been given a modern psychological depth. They don't seem to have anything to do with number+suit methods. And unlike several online sites that deal with playing card divination, the meanings have nothing whatsoever to do with RWS-derived meanings.
The book is set up as a course with several levels, and she goes through each card step by step and tries to lead you to
feel the card's meanings rather than simply knowing some keywords on an intellectual level.
-- Lee
P.S. The author has a website of her own where she is known as the Psychic Love Doctor!
http://www.psychiclovedoctor.com/