To be honest, I did not see a particular problem with Poser 7 or Pro either when I had my tablet going over both screens - only the overall sensitivity increase which happened for all apps.

Let me re-map my tablet to both screens and see what Poser 8 does. Back soon.

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)