For those who are a bit disappointed with the direction that the Halo series is taking with
Halo Wars, check this out:
http://xbox360.ign.com/articles/918/918500p1.html
Halo 3: Recon, was originally slated to be expansion DLC for XBOX Live, but it was changed, and will now get a full release in Fall of 2009.
Not sure who else really enjoys the Halo series, but this seems like it could do the series some good.