Looking for the API docs? goto cloudstack.apache.org/docs/
In the list to the right, you'll find lots of how-tos, doc plans, and brainstorming notes. This is for everybody to use. Feel free to add more child pages about docs!
Looking for the docs? cloudstack.apache.org/docs/
April, 2013: With 4.1 docs frozen and in the hands of translators, it's on to version 4.2.