As of right now, he's just another score-first PG who isn't going to be on the same level as guys like CP3 and Deron, in my mind.
If you think he's a score-first PG, you haven't seen John Wall play.
He's basically Rondo with more inches and a better jump shot. They have personality differences too--Wall's probably more gregarious and less stoic than Rajon, but Rondo's BBIQ is probably higher, though I only say that because Rondo's is off the charts.
This is hyperbole though, because whatever Wall does to the point guard position, Rondo will have already done it by then. They're both going to be GREAT point guards, better than Rose, Williams and all the other shoot-first point guards in the league.