I'm on my third top counting the original top. If you have blemishes and cracks on every panel they will send a whole new top. If you only have blemishes on some of your panels they will only send that panel. It's weird that they are sending glass because they used my glass both times they...
It depends if you think you will be loading the Bronco up with stuff, if it all fits in the trailer and you aren't using it to hold people, get the two-door, if you need more room I would get the 4 door.
Good luck, with finding something that will work for you. There is a lot of information out there, I run Flow Masters but I like sound. You can't go wrong with Borla.