Good review. I will definitely watch more of your tech reviews in the future.
You touched on most of the major things we wanted to know about, including the border pixels and 3D.
It seems like the border pixels are indeed in the "off" mirror position, so the contrast being lower due to light leakage inside the optical cavity due to that border is real, but I think future models can fix it via masks and an DIY hacker could open up the projector and put an ultra black border around the DMD to mask the 16:9 portion of the image, to boost the on/off contrast to something comparable to the 0.66 inch chip XPR models. (or better). This is of course if you're willing to risk opening it.
I have another special request for you to try if you're willing, which I'll PM you about instead.