To be honest, I have no experience with this current offering within the Quickspin line but I doubt is very different than any other within Quickspin lineup, except for the size and cut of the vane.
I'm not bashing the Quickspin line, but I'm going to be honest--I believe they have a time, place and an application within the archery community.
Here is what I do like about them--they are quick and easy to install, they work great in an emergency and they don't require a lot of tools or knowledge.
Here is what I believe to be the negatives--they are very heavy, very loud, leave an absolute nightmare of mess behind on the arrow and super expensive in comparison when compared to regular fletchings (especially when one comes off and you have to replace the entire Quickspin.