Workflow did something amazing this week and released version 1.7. The marquee feature is Magic Variables, something explained far better on Macstories than I could hope too. But in a nutshell, Magic Variables remove the vast bulk of reasons why someone might have to use the Set Variable and Get Variable actions because you're now able to grab each actions output without manually setting it as a variable.
I thought it best explained with a picture using my Picture Info workflow, which I built a long time ago (yet rarely use). It allows you to select a number of pictures and then pulls a bunch of meta data for them. On the left is my old one, which Spotlight tells me is 32 actions. On the right is the new, which spotlight tells me is 7 actions.
If you're interested here are the two workflows: