I'd say the big difference came when I upgraded from Poser 8 to PP2010 with its Gamma Correction.  But yes, I like the IDL in Poser 8 VERY much. Poser 7 is OK, Poser 8 is better and PP2010 is best. IMO.

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.