Scans of the next month page of the new issue of PC Gamer (UK!) have been circling the the electric-internet gossip-tree. It looks like this:
(Click to make it full size)
Other than that, we're pretty much left with speculation until April 10th. What are the races? Will one finally be the Tyranids? Will it share more in common with Company of Heroes than trad Dawn of War? How will it compare to Starcraft 2? All will, clearly, be revealed but until then: Speculation Comment Thread Engine go!