The official website is now online. So far, it only gives an option to register, and states that the trailer will be coming on the 14th. You can view the version below, for now. Click here to read the LucasArts press release.
At the 2009 Video Game Awards, LucasArts announced Star Wars: The Force Unleashed II! TFU II will be released in 2010 (presumably in the Fall). The trailer was introduced by the always-cool Samuel L. Jackson
The video below is the standard and HD version of the trailer.
Source: Spike TV VGAs.