Inadorel
Member
I run MUI on one screen and the desktop (with multiple applications on each) on my other two monitors. You can only have two metro apps displayed at one time though - and then only if they are displayed on one screen. ModernMix from Stardock lets you run multiple metro apps in separate windows though - and I believe that with Windows Blue you will be able to have lots of metro apps split on the same screen or across screens.