I most highly recommend everyone at least go down and take a walk through the park, even though with all the people and chaos that isn't too easy to do.
It just FEELS really good. You will not regret your time there.
Here is a direct link to a map of the park, including closest train stops (use the map zoom in for more detail ), since it is not a well known site to most:
Here is a link to occupywallstreet.com's continuous live feed netcast :http://www.livestream.com/occupywallstnyc