The fact that Uncharted is more cartooney makes the animations more on par with everything else in the game. Also variety is a huge factor that the game has going for it. What I found very bad though, was the sliding... When Nate would just drag himself on to the right place for the animation to begin...
As for the similarities with Tomb Raider... I found none, other than the fact they are both 3d person and that the environments are ancient ruins and the likes...
I don't expect that to be in Uncharted 2