Vim training: online,
Drew Neil has coached
Drew hosted a private Vim session for the shopify team that was one of the best workshops I have ever attended.
John Duff, Director of Engineering at Shopify
This course catapulted me from novice to enlightened intermediate in 3 extremely enjoyable hours.
I'm using the stuff I learned on a daily basis now (:args/:argdo FTW!) - it was an absolutely fantastic course.