Very nice. I finally saw your backwards videos as well. Those were very well done. I can't wait to see a backwards guitar video from you.

As far as the vibrato goes, there are many ways to do vibrato and your goal should be to master all of them, not just one. Finger vibrato rules if you're good at it. It's the same story with artificial harmonics, there are many different methods of getting them and they all have merit.