i made this pretty basic movie a few months ago with the last verison of imovie(one that shipped with the mid-2010 mbp):
you can use quicktime to do a video capture of whatever you’re working on in your computer. and then integrate the video from another camera into imovie with the screen video.
syncing the audio isn’t that hard either. just takes some practice.
i was going to say this too (before i read the op)
but i was also going to add: make sure you use a light blue background with white comic sans text, or black background with red text.
LOOOOOOOOOOOL
yeah thats why the professionals like myself are staying well clear of it! i’ll not be changing from FCP7 anytime soon! Although i did buy Motion 5 which is pretty cool, i like the new’ish interface