The body in the picture is probably 2 moose mane quills, one white and one brown. Plumbob used to do a lot of those (remember Plumbob?). Like Flytire, I use inexpensive capes and saddles for quills. Chinese/Indian capes are lousy hackles, but provide great quills and tailing materials. To get gloss, simple coat the body with head cement when you are done. It also increases durability. In fact, if you are using a stripped peacock quill, you almost have to coat it or the first fish will destroy it.
Soaking quills in warm water does help. Adding a few drops of hair conditioner to the water also helps. I also use dyed goose biots for quill bodies. They work best if you put a drop of glue under them before you wind. Horse hair also works well, but splits/splinters easily (it's also hard to find.)