Every user should read this. And if you're looking for a blast from the past, check out the archived news posts.
/q/ is now open for business, and has already sparked a number of great discussions and changes to the site. Here's one on why 4chan doesn't accept donations and what you can do to support the site. Also, the number of e-mails I've gotten from people saying they met their significant other on 4chan is insane. I feel like some horrible bastard version of Cupid. To all of the ">tfw no gf" people, there is still hope!