Hi Guys. Hope someone can help. I've just started a trial of all the creative cloud apps from Adobe of which i've installed on my iMac running the latest Lion update. I have created a project that I've filmed on a Canon 60D at 720p/60 and set my project timeline settings accordingly. I've imported my clips successfully as well as a wav file from Vimeo Music Store. I can place clips and audio onto the timeline but nothing plays. I can't playback audio or video in the source window, timeline or from the imported clips. Hitting the space bar or appropriate playback button yields no results. I'm stumped!! Any help greatly appreciated.