I would look for someone who pays close attention to how you actually interface with the bike, and pays close attention to you actually pedaling, rather than a fitter who goes by the numbers and relies heavily on measurements. That being said, the video part is more important to the various measuring devices. Watching how you actually move on the bike is important, since not everyone has the same flexibility. I have seen too many people leave "good" professional fitters with excessively high seats, that in turn cause them issues. Someone who fits you dynamically will generally not put you on a seat height that is too high.