It's not that I'm deliberately ignoring your criticism, but I seem to be seriously having trouble acknowledging it and yet getting it to not look ridiculous:
I understand, and i don't mean to sound harsh when i point something out like that on pixeljoint, it's just that the pixeljoint gallery is geared more towards finished works (although, i admit, i have posted works there which i have later revised.) There is a forum on pixeljoint, though, so if you wanted to get more feedback, you could post it there as well.
On a more relavent note, the shading looks much better now, and the highlight gives the face a better form than the original. Maybe if you made it more of a cresent (as it was done on the nose) it would look nicer. I'm posting from my laptop right now and i don't have the proper software on hand to make an edit, currently. :S