Did a clean install of Leopard. Used migration assistant to pull across all apps and settings. Most of iMovie's menus are now greyed out and thus the app is unusable. Before migrating/installing Leopard, I was fully up-to-date with iMovie 7.1 and the 8.1.1 update to iLife. ITunes, iDVD, Garageband and iPhoto '08 all work flawlessly? Have tried multiple re-starts. Have tried trashing the plist files as well, but that's all I've done. Anyone have any ideas?