Your proportions are quite off, and your topology has taken a step backwards in my opinion. Take a look at the muscles in the face, this is what topology is based on.
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These are the things that I see.

1) There should be an extra loop around the mouth to the nose.

2) There is too many polys on the forehead above the nose. Try to terminate some of them. You...

Yes, I understand perfectly fine, and I know that quads are preferred; I have worked in many different VFX companies. Hell, I wrote a checker to look for quads!

Notice however that I never...

I dunno about tris, they have their uses. When I took a class with Steven Stahlberg I learned that they can be quite useful to create some more irregular shapes.

Looks like Goldfinger!

It's based on scan data, and I try to avoid sculpting as much as possible. I didn't bother with the back of the head, as it wasn't needed.

Here's my topology for something that I've been working on lately.

http://i24.photobucket.com/albums/c30/NextDesign/jmather_topo2012.png...

A simple round mesh wouldn't look good, as normal maps do not displace the geometry, they only change the light behaves when it hits the surface. Therefore, if you were to look at the front of your...

Hi Wolfgang. It looks pretty good. The topology needs a bit of work though. See my paintover. I've also made a list of the little things that look a bit "off" to me.
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