Some dramatic messages are on the Wikileaks Twitter page.
From Wikileaks On Twitter
Major WikiLeaks announcement in Europe at 10am tomorrow. LAST CHANCE to book [press only] email firstname.lastname@example.org
18 minutes ago via web
Major WikiLeaks press conference in europe coming up; to book [press/NGO only], mail email@example.com
4:07 AM Oct 21st via web
WikiLeaks communications infrastructure is currently under attack. Project BO move to coms channel S. Activate Reston5.
9:41 AM Oct 20th via web
Now is a good time to mirror this WikiLeaks 'insurance' backup http://bit.ly/bRaiYF
10:48 AM Oct 19th via web