Here is Julian Assange's old website, IQ.org (from June 2006 - August 2007).
Its now located on the Wayback Machine website:
(so it's no longer on the web, but it's been archived).
It has a lot of essays and thoughts from Julian Assange, good start to get some more insight into Julian the person.
Here is a good essays Julian Assange wrote Conspiracy as Government (PDF): http://www.sendspace.com/file/701orn