M.P. Cobra Fan· It's in the details Mod!
I just had my top replaced for two reasons. One was a leak, the other was because a heat seam came loose and the top started to sag. Luckily it did not balloon up. Anyway, I was told that the leak was fairly common. It was from the rear window. The lower corners in the rear window have a seam that goes straight down from them. The water will collect in the cover inside the car. They also told me that debris, pine straw here, can collect when the top is up. You should make sure you lower your top frequently and clean out anydebris that collects where it attaches to the body of the vehicle. That can plug the drains.