As far as ratings go, I believe that there are many readily available ways to determine if a book will be offensive to your sensibilities. (bookpage.com)
The best available way to compare fees for different funds, or different classes of shares within the same fund, is to look at the prospectus of a fund. (invest-faq.com)
I hope that is changing, since I do see a few available that way. (sheerhubris.com)