Way to go jumping in the deep end Corpsehand! This has got to be a challenging bust as Neytiri is a wierd mix of alien/cat/human characteristics and it's difficult to spot where one ends and the next begins. Hat off to you for taking the challenge
After looking at your ref pictures there are two areas that seem a bit off for me.
1) I can't tell whether the neck is a bit too long or whether it could do with broadening out a bit
2) The boobs I think are throwing the perspective off because they seem small and in the wrong place.
I don't know though, what do you think about them?
So, where will your imagination take you today?...