The earlier mentioned rumors of a 2011 release, has now been confirmed by Sean Dahlberg from swtor.com.

Most people where hoping for a 2010 release, but guess they stil have alot to do on the game. There will be some exciting news from the game later this year, so at least we have that to look forward to.

While we have not announced a specific date, we can confirm that we are targeting a spring 2011 release for Star Wars™: The Old Republic™. We’ve got a lot of exciting updates and reveals planned throughout 2010, including the first-ever hands-on testing for the game.

Official post