I am beginning to think the weight Bradshaw has put on has hurt his quickness and acceleration.
Andre Brown is a large rb (230+ over a stocky 6') but seems to find a way to keep his feet moving. I saw his workmanship in week 4 of the preseason against the Pats when he took 14 carries for 55 yards, 2 catches for 22 yards and showed reliability with picking up the blitz. While Brown's avg was just sub 4, many of those carries were short yardage situations where the giants needed 1 or 2.
Look for a three way time share in the backfield. Defenses will struggle to keep up. A third skilled back is a great asset. Ie. Falcons, Panthers, Saints, Steelers (once Mendenhall comes back), Skins and im sure a few others.