I love Firefox, but I’m very skeptical of these results. I want to see them repeated elsewhere.

That’s really not an easy switch to make. It’s not as simple as replacing blink with gecko. If it was, we would see many more gecko based browsers.

This sounds awesome. I’ve been trying to switch to Firefox for the past couple years but Chrome’s responsiveness and speed always pulled me back (along with some other issues)

Partially it’s a license problem. The MPL around gecko is much closer to the GPL than the BSD license that that Chromium blink uses, and thus it’s much less appealing for commercial products to use it.