Randy, I got them from Brian Wong who advertises them on the AGF classifieds.
Ebick, Bill didn't steer me away, but did note the turtle would be small due to the shape of Taylor's trc. I went ahead with it anyway & am pleased with how it turned out. I like your SYF trc, the abalone in the circle is sharp. Very cool.
I like the fact that the ebonoid buttons are significantly lighter than the metal buttons. I don't see how they could possibly affect the tone of the guitar, mine still sounds awesome!