The Lego group has opened beta sign ups of Lego Universe Online. If want to be chosen just get yourself a Lego id and wait. To do it, click over this link.
"Sign up now for your opportunity to become one of our chosen heroes that must answer the call. Your mission is to test LEGO Universe for bugs, so prepare yourself to strap on your suit of armor and help your friends battle the dark forces of the Maelstrom!"
Read here all you need to know about Lego Universe Online.
Visit the official website of Lego Universe.