Another mostly positive review for Halo Wars up at Spong:

I still enjoyed Halo Wars. I even enjoyed the cut-scenes that powered the single-player's short, 15 episode (mission) game along. The simple reason for my enjoyment is that Ensemble Studios (rest its soul) has produced an intelligent game that can be slipped into with or without an in-depth knowledge of what preceded it. It can, in fact, be slipped into without much previous knowledge of RTS games.

Check out the complete text.