Excellent write up! I was curious to see how the vertical doors would have looked on one of the twins. Did you have any concerns about the frameless windows hitting the side of the car? I remember when I had the kit on my 06 SI that sometimes people wouldn't push the door down the entire way prior to closing and the door would bang the frame of the car.
BTW, here's the SI with the doors. I miss having them, and might have to do this eventually. Cheers again to yours!