SpecialLady, my personal belief is that
The "New" Prostate Cancer InfoLink is heads-and-shoulders above all other sites for the type of thing you are asking about
. (And it is one of the links provided in the "Newly disgnaosed?" sticky thread.
The sitemaster there regularly reviews the newly released studies, articles and other PC-related info. Most importantly, he adds value by providing the layman's/patient's perspective on what the deeper meanings are; he includes context for the raw information. There are 2 or 3 new postings on every typical day. Some of the top doctors in the PC field follow and read his postings, and add comments.
I read it almost every day.