Well, it's been several weeks now, and I am absolutely fighting the incredible urge to say these are the best speakers I've ever heard...
This has been quite a journey, and is an incredible story. I am experiencing a surreal sonic experience that is consistent. It's possibly the most impressive thing I've ever heard.
Female vocals, vocals period, are next level. These babies are measuring almost dead flat. How refreshing! Without a crossover. Yes, vocals, piano, classical, rock, blues, jazz, electronica, so far they have let me hear what each one is actually supposed to sound like.
This is a teaser, just to say there will be a lot more. Consider this a design log.
Here is a picture of my new favorite wide-band (100Hz ~ 20kHz ) driver. It sounds like the F15, almost exactly except it's so much faster! Fastest driver I have ever heard.

And the mid bass hit is insane, the integration with the sub is surreal. These hit as hard as the Headwreckers, and I am driving them with the 2 watt Zen Triode. The bass - it is the best bass I have ever heard. I don't understand how it's possible, the sub hasn't changed, I have just installed these in place of the Tiny Radials and that's it. The bass is so full and textured, it just hangs on forever and stops on a dime, but it grabs you. I can feel it all over my body, the walls the floor, the benches, it's dense and lacks nothing. Embarrasses almost everything I would say. Didn't see that coming from a 3 inch driver. Just when you think you know it all...
Fasten your seatbelts, the Audio Gods are at it again, ready to shatter myths and teach us all. The picture, like a crop circle, is enlightenment. Study it. I'll be back with the story as soon as I get time. Right now I am witnessing what sound might be like in the spirit realm where the laws of physics can be bent to your will.
Steve : )