Ok I got my LG blu ray burner today, installed it fine and my Mac does recognize it. So I went to FCP and under the File>Share there is the option to burn Blu Ray discs. So I picked my blu ray burner as the drive and about an hour later it asks me to insert the media. So I insert a Blu ray but then it ejects it back out. I did this about 4 times and then threw in a DVD to see what would happen. To my surprise it looked like it started to do something and the percentage complete went up a little, then it ejects the DVD out and asks for me to put in a dual layered media. I have no idea why. I mean the file is no bigger than 2 gigs so my single layer BD-R should be fine. I have heard lots of people talking about Toast 10 to author blu ray's, but the point is why should I spend the money if FCP and compressor should be able to get the job done? Can anyone help me out?