Welcome Back!!!

What do you need?  I would definitely upgrade to Poser 12 (You have either 8 or 9 not sure) and Blender is much better now ... just remember to only learn what you need for the project you are working on ... and P12 (P11 too for that matter) use a version of Cycles for creating textures and as a render engine making the renders far more realistic.  There are far more features in Poser that are improved to list ... and some folks swear by ZBrush and it does play nicely with Poser.  Gimp or Photoshop of course as tools.  There are more expensive and elaborate texturing software but that would get you started.  Again Welcome back ... and I'm sure others will join in with more wonderful tips.   

Boni

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"Be Hero to Yourself" -- Peter Tork