Don't think its an much improvement from the BR55 if the accuracy is lower... still I won't bash the BR85HD, still give it a run for its money when Halo 4 comes out
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Noticed on Halo: CEA, Before you escape the Autumn, up in the cryo control room, you'll find a terminal with a bioscan of another SPARTAN-II in different cryotube, Linda-058 (She was placed in cryosleep due to fatal injuries during the Fall of Reach)