*You mentioned PPro 2010 renders IDL more slow than P8. That's interesting. I had not done any direct timings. Thanks for the heads up.*

Just tried exactly this. And I fear the PP2010 is slightly  faster than P8 -  (same scene, same machine, the P8 scene file with a V4 a hair and a background imported to 2010,  size just 690x941 for a test quickie, and 2010 beats P8 by 20 seconds (07:31 under P8, 07:10 und P2010).
Funny is, how the render hops forth and back in background render mode.
At least for me, the background and queue rendering options are most important and clearly an advantage over P8.

So to say - this are the most intelligent 50 bucks I spent between 6 p.m. and 7 p.m. GMT today.

(The render settings window intentionally is, where it is - was to lazy to dress her.)

Win 7 Pro, Intel i7 940 @ 3,7something GHz, 12 GB DDR3, Poser App's and runtimes installed on two different WD VelociRaptor WD1500HLFS

www.skin2pix.com