Shacknews had the chance to speak with Ensemble director of technology Dave Pottinger, who had quite a bit to say about the Halo MMO. The biggest surprise revealed was that the game had gotten a green light and was in development for a good length of time before leadership changed at Microsoft, and the title was canceled. Pottinger also acknowledge the fact that conceptual screens leaked were in fact designed with a very World of Warcraft mentality, although he stressed that what Ensemble actually ended up with internally at the time had more emphasis on feeling like the traditional Halo universe.
Combat was also a topic of discussion. Pottinger says the game's combat had a very classic MMO feel to it, but there was a leaning towards an "actiony" feel. Whether or not Ensemble's Halo MMO was or is a good idea, there's no denying the fact that a properly made title could still appeal to a lot of people.