As for the ego's, I honestly think thats under control. Everybody knows this is Kobe's team, and if they don Laker yellow, they will adhere to Mambas rules.
A threepeat would be insane. But what better way to bolster your chances by adding on of the most prolific scorers in the game (when healthy.) I HATE Tmac, but you gotta admit, the man can fill it up.