Here's the latest batch of Halo Wars screens, and it's all looking very nice.
to be cooking up a pretty chaotic RTS with the Halo universe, with Scarabs and Scorpion Tanks rumbling through massive open environments packed with smaller infantry units, Warthogs, Banshees and all sorts of other units. Read more about it in this detailed preview.
The shots below aren't the ideal resolution, but well worth a look, and you can see loads more on GamePro.