Noisy Cricket "v2" style button

I've seen seen pictures of this new button that sits closer to the mod and has knurling around the button. I've heard people talk about how much better it is. But, I have not heard a single person mention where they are getting these newer buttons, or the newer crickets coming with these newer designed buttons.

Has anyone tried these, know where to get them, or care to chime in about this in general?

Pic of newer style button