I give it an 8/10. Reasons:
1. No mouselook. I know, I know, it's not designed for that, but Jedi Knight had this in third-person, and it was a great help for me, and would be here, too.
2. Collision detection. Indy seems to be fatter that he really is. He stops in front of walls when he still has about a quarter of a meter left to walk.
3. (This is really nit-picking) Jumping. Indy can't possibly jump as far as the long jump. Come on, he's not Kyle Katarn or Lara Croft! He's more like a Gordon Freeman: Jumping has to be true-to-life.
If ANY one of these were corrected in a future patch, The game would be perfect.
(In my opinion, of course