I never managed to write a review of my lighted T from tesla-lights.net. I've had it on for a couple of months now and could not be happier. The level of service from them was truly extraordinary. Initially, there was a minor fit problem due to Tesla changing the clip design in the panel that fits over the T. Tesla-lights.net worked with me to design an updated version and immediately sent me a replacement.
The install was ridiculously easy, far easier than my pre-refresh cars. Just screw out the old T and screw in the new one. The wiring is fairly straightforward as well.
My only issue (nothing to do with tesla-lights.net) has been finding the correct wire from the headlight harness to tap into. I did not use their recommended install. The wire I am currently using (beige) works well, but the T stays on sometimes for hours while the car is parked. This is highly variable, as it can go off shortly after I park, and other times, it can take several hours. Given that it is LED and uses very little power, I have left it this way. It is actually kind of cool to have the car parked with the T lit up.