Hey guys, I'm a hopefully soon new Macbook Pro 17" owner.. I have a question somewhat unrelated to mac specifically (other than software video editor advice). My question is: What do I need to have equipment and software wise in order to do green-screen video's where I can be in front of the camera recording myself with a green-screen (which i already got) as my backdrop and be able to see myself on the camera/computer/external monitor live with whatever background that I choose to put as a layer on the greenscreen.. In other words, like pro weather reporters can do - they stand infront of a green-screen and are able to see where their hands are pointing, looking at a screen that's behind the camera which is filming them live... (so far I got the screen and various cheap cams untill i get a hd camcorder..which will probably be a canon s21 or something like that, unless I need a specific camera that has fw out or something like that?) Hope someone have som suggestions on how to do this at a low budget, but still with good results...primarily for youtube and music videos..