Lucy Calkins, Teachers College, spoke at IRA last week--reasoned and wonderful. Here's the website whre she is gathering information on the NYS ELA exams from 2013.
If you want to bundle websites (URLs) for your students into one link, this is a really sensible solution. Free and very simple to use--just paste URLs and it links ('stitch it').
Collection of websites based on their usage (e.g., communication). Recommended by Peter McDermott, President of the NYS Reading Association (2012-2013).