The video I saw it in is........
http://www.youtube.com/watch?v=7GfZMtfTh_s
but it's mostly about customizing a Pelican case for the Hero3 with just
a little about the LCD backpack as a part of that video.
Here's a better one, and THIS one gets me thinking about getting one.
http://www.youtube.com/watch?v=L9EJtaQ0yOY
So many things to spend my money on, and so little time.........!
Andy