Update: This answer got so much love I thought I'd throw a few more details up:
-I have a distinct memory of the first real action he saw as a freshman. He found our big guy for a layup by throwing a no-look pass that I would never have attempted. His first year was rocky but he showed flashes of potential.
-He became exceptional at elevating for his jump shot, noticing that the opposing bigs had turned their backs, and firing a pass to our big guy for a layup. It got to the point where opposing forwards would be more worried about that pass than getting into rebounding position.
-He is not "deceptively" quick like people keep saying. He is just super quick, straight up. And athleticism is not just about your bench press and your vertical. He has more than enough lateral quickness, coordination, body control and instincts to make up for what he might lack in the more traditional athletic categories.
-I was always more of a Madden guy, but from limited experience and word of mouth I gathered he was excellent at Halo.