Free Photoshop ActionsPhotoshop Actions: the professional's tool, the beginner's crutch, the salesmen's bag of tricksMore Like This
tldr: Learn how to post edit. Don't rely on actions developed by others and don't pay for them. Develop your own actions. Resources to help you along the way are all over the internet.
I recently released two Photoshop Actions, Bohemian Sundance and Parisian Rain, available for download for free on my website JFotography: http://jfotography.yolasite.com
Photoshop Actions, along with GIMP scripts, and other scripted, systematic, post editing procedures, can be very useful for professional photographers who have to edit a large number of photos in a short period of time. They are also useful for quickly surveying a large number of potential post editing routes, say if you want to go for a vintage feel, bring out