I found this very interesting article. Could be a coincidence... but you never know.
http://www.industrygamers.com/news/h...ble-developer/
It's well known that prior to being closed Ensemble Studios was working on a Halo MMO codenamed Titan.Also note worthy was that Bungie has joined up with ActivisionBlizzard.Monk added that since Ensemble's closure, some of the scattered staff have gone to Blizzard, including Greg Street.