Ebook:F451 the entire book online - an audiobook, that reads it outloud!
Classzone: A brief summary, with some connections
Bookrags In depth summary and analysis of the text
Sparknotes:F451 Sparknotes' take on the text...
NEA's the Big Read: This site looks at the importance of the text, as well as analyzing it.
Soft Totalitarianism Interesting essay - connecting F451 to political correctness
Don't overlook the discussion board part of this site.