I'd say it like this.  In order of results, from worse to best:

• Poser Face Room
• FaceShop
• FaceGen
• More sophisticated, laser-topography based solutions (like those used in recreating actors in movies)

As I always say, 'you gets whats you pays for'.  You want great solutions, you must pay lots of money.

My quiff with FaceShop Pro is that, like ImageModeler by RealViz, it should allow the incorporation of a variety of angles instead of only two orthogonal angles (although orthogonality isn't a requirement, I've heard that the best results stem from this approach).  Even ImageModeler requires hefty amounts of work to obtain anything but simple shapes with good texture extraction.

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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