It's a new RTS Game coming out in the Fall of 2005. Looks like they finally did a decent job, although looking closely at some of the screenshots, it looks like they may have basically done an upgrade of the Rebellion engine. Anyways, here are a few notable screenshots:
Link: http://www.lucasarts.com/games/swempireatwar/
Link: http://www.lucasarts.com/games/swempireatwar/