Added a blade SSD - found a blade on eBay that had been pulled from a Retina Macbook Pro. I used a little anti-static high temp tape as I did not have the screw for the blade. The Apple part number for the screws is 923-0328 - ebay has them available.
Reinstalled operating system, and was easily able to set up the system as a Fusion Drive by first using Disk Utility.
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
No reputation gained yet.