Thanks for the info.  I'm really thinking of something more like this:
http://www.zbrushcentral.com/zbc/showthread.php?t=47743&highlight=topology

Although shape wise there's an obvious similarity to Jessi's worst features (funky egg head, hawk nose) the mesh follows the body anatomy a whole lot better than most topologies I've looked at.  That 3dlinks tut is pretty good, but I don't think I like the way the polys are laid out around the shoulder and hip, I'm sure it can be done better (e.g. that Zbrush thread above).  I really don't want to try to reverse engineer anybody else's commercial Poser model either (Patorak etc) for various reasons.

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