Crowd source the videos.
Tell a willing volunteer what needs to be in the shot- material, feeds, speeds, wide angle close up- and they shoot it on their phone and send the footage.
Maybe someone with better editing skills does the edit?
Im sure we could get 4-5 people
Together as a production team and bang out a few decent quality vids showing high level capabilities.
If I ever get time to get my YouTube off the ground, I definitely plan to do a small series on the LR3