I use this system all the time. It works pretty good. I made my own jig to hold the feather from a 2x4 and a couple strips of thin steel bar stock. Be sure to counter sink the screw heads, and install a suit case type latch on one end and a hinge on the other.
I bought a sanding drum at the hardware store. My total cost was WAY less than buying the package. After using this system for a while, I found that I could hand hold the feather while just as well when sanding the base and the thick sides of the feather quill.
As mentioned by others, the grinding process smell some, but not that bad.
After the feather is done, I apply fletching tape and install. Then I use my Young's burner. It is a fun project during the winter. You can make up several feathers and have them ready for mounting any time.