http://www.youtube.com/watch?v=xjuFHt5t8Ck
https://helpdaz.zendesk.com/entries/124604-why-does-daz-studio-just-say-optimizing-image-and-never-start-rendering
http://rubicondigital.host22.com/index.php/articles/poserdazstudio/4-optimising-render-settings-in-daz-studio
Idea: Try rendering figures and/or scenes of different complexity/intensity and note at which point the program begins to fail.