We do have lots of previous discussions on this, especially in the health forum. You can use the search engine to find them, there is one in particular that I've tried to find and can't. It is, of course, possible that I just dreamed that particular thread.

The 2011 EWG Sunblock Guide has been released here. You may need to click through something that asks you if you want to be on their email list, but this guide gives a lot of good information.