Yup. Static pic here too: http://lego.wikia.com/wiki/TBA_Rancor_Pit. It was actually posted on a Twitter image hosting site by Lego themselves with a Hobbit caption. Then they realized it and pulled it.

Looks awesome, and you can tell by looking under the base of Jabba's Palace that it'll integrate quite nicely. I'm very excited about this, and can't wait to see what else they announce on Saturday, which has been reserved for [Lego] Star Wars announcements!