for what it's worth, here's my first attempt at using my 700 for video.
Watch at YouTube
Lot's of vibration issues to still work out.. still need lots of space to fly (and I consider myself a decent 3D pilot). Lots of tuning to do for sure.
Now, Here's literally my 3rd attempt with my Hex with shooting video:
Watch at Vimeo
So I don't plan to use my 700 unless I'm doing super fast forward flight videos with lots of space work. Multi's have come a long way this past year or two, making it real easy to huck a camera in the air. I think the differentiator will be people who actually know how to take pretty pictures vs. those who don't.