So because I don’t actually own an Xbox 360 (nor an Xbox, for that matter), I’ve always had to find other ways to play the (very few) exclusive games in their libraries that I cared about. So it was that I find myself blitzing through Halo: Reach on my brother’s console during a recent trip home. Because, seriously: Halo. What began rolling around in my brain as a review of Reach quickly turned into something …