Using flipcover with the Note will higher chance to scratch the screen, reason for that is, small "sandcorns" can get stuck on the flipcover and when close it. It scratch the screen, its something peopels dont think about to look at when closing the flipcover and have been reported by other peoples. That they scratch the screen by this way.
Gorilla Glass is overhyped brand and until any phone is made with bulletproof glass.
Gorilla glass marketed as more scratch resistance and not scratch proof. Can still scratch the screen or break it, if dropped it.
I wont care if its gorilla or banana glass on the phone.
Its the phone that are most important and not some glass.