I keep my runtimes on a different partion also and Vue 7 and Poser 6 Inf have lots of problems working together.
  There is a warning about keeping runtimes in Poser 7 on one the forums that if you uninstall poser 7 it will wipe out your runtimes with it.  
This I do not want to happen with so many gigs of runtime files installed on my computer. :)

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