Pulled this from ESPN insider - overrated / underrated article, I would say it's a little harsh....
Rajon Rondo, PG, Boston Celtics
Eastern conference scout: "Three years ago, I was the only scout saying Rondo is overrated, and I was crucified for it. I was saying he was awful. I think he's a selfish player. He's only going to pass it to you if he thinks he can get an assist. I've seen him come out for pregame warm-ups with his shoes untied, shooting lefty foul shots. For him to come out for a game with that attitude makes me question his work ethic. I've never liked his game.
"If you play with Kevin Garnett, Paul Pierce and Ray Allen at close to their peak, they're going to raise everyone's game. Defensively, Rondo's a bit of a gambler, and I don't think his defense is all that. If I was starting a team and had my choice of any point guard, he would be 40th. I mean it. I'd take some backups before him."