From a production standpoint, Sony Vegas Pro 12 was a revolution in "pro-sumer" economics. Entertainment production houses for small YouTube networks (like Maker Studios or Fullscreen) often used Vegas because it could handle the high volume of content.
If cost is the issue, the free version of Resolve is significantly more powerful than Vegas 12.
The ability to move timelines between Premiere Pro and After Effects. Why the Archive.org Link is "Hot"