The latest "In the Works" Bethesda newsletter includes the Dead Money "box" art and two screenshots (which are pretty much screengrabs from the trailer):

Also included are a bunch of newly released Fallout: New Vegas wallpapers:

There's also the latest Bethesda podcast featuring Todd Howard, but it focuses entirely on The Elder Scrolls V: Skyrim - for more details on that, go to our Skyrim Wiki.