UPDATE 3: The DDO and LOTRO game worlds are now available.
UPDATE 2: Turbine posted another message on Jan. 30 at 6:15 p.m. EST: "We're working to have the games up within the next 2 hours or so. Websites may also be available within that time frame. More updates soon!"
UPDATE: Turbine posted the following message on Jan. 30 at 5 p.m. EST: "Our operations team is making good progress; we're working to get the games and websites up as soon as possible, thanks for your patience!"
Quote: Lord of the Rings Online Twitter
"We're currently investigating service issues impacting the game and websites. Thanks for your patience while we work to resolve them!"
http://twitter.com/#!/lotro