If anyone is using Vim, appreciate quality screencasts and seek self-improvement, this is what you want to watch. The Fugitive series is mostly for Git users, but the rest of vimcasts is for everybody. And the casts are great: short and packed with usefulness, embodied with the lovely voice of Drew Neil (@nelstrom).

Empower yourself, embrace your tools. Don't let your tools be another bottleneck limiting your expression.