GreenBeret: Yes agility. Did you watch the NBA last season? Did you see the sweet drop step Shaq used, the up-and-under reverse move that he used so many times? I don't care how big someone is, when you have a team like the Blazers throwing three big guys at you every time down the court, it takes agility and skill to score. Shaq is the only guy his size that I have ever seen get a rebound, take the ball up court, dribble through traffic, and lay it up with a soft touch. He did that during the All-Star game last year.
That "he's just bigger than everyone" arguement is just bull that haters like to throw out. If being so much bigger than everyone is all you need to succeed in the NBA, then why doesn't Shawn Bradley lead the league in rebounds and blocks every year? I mean come on, he's taller than almost everyone else, so by your logic, rebounds should just fall in his hands. Funny that Charles Barkley was an amazing rebounder yet he's only 6'5".
Also, why doesn't Oliver "Buffet" Miller just use his weight to score everytime down the floor? Why isn't Gheorghe Muresan, who is 6 inces taller than Shaq and over 300 pounds himself, a massive force in the NBA? I mean, using your "he's huge" theory, he should average 30 points, 20 rebounds, and 5 blocks, shouldn't he?