Its interesting but makes sense that cooked tomatoes are better then raw one.
On a similar note - I've read many things about almonds being good for you..But the other day I read that really really chewing them is even better.
There was a fairly lengthy posting several days ago about foods that I see you were not in...the title of the thread was "PSA test strategy" (http://www.healingwell.com/community/default.aspx?f=35&p=2&m=1894904), but the discussion was mostly about foods.
Here is a link to a good presentation on nutrition and prostate cancer from UCSF.
http://urology.ucsf.edu/patientGuides/flash/PCaNutrition_154315.html This is very comprehensive.