Theatrical poster:
I'm simultaneously dismayed by how much Starkiller Base seems to just be the Death Star III and more willing to buy the idea of a planetary weapon now that I see it. I'm guessing the alien next to R2-D2 is Maz Kanata and it looks like she's pretty different from the concept art we've seen. The absence of Luke seems to confirm that he's not going to have much screen time. The most interesting bit, though, is that Michael Arndt gets a writing credit. Also, the talk of a new logo being unveiled seems to have been false.
EDIT: here's the high res version for a better look at Maz