i have been flying sans case, aka going nekkid since i got the htc one. a few drops but no scratches or issues. i got the kays case and it was not for me. have ordered a bumper case from dbx-box (0.6mm Luxury Air Jacket Aluminum Metal Bumper Blade Case for HTC one m7 it hasn't arrived so i am still going nekkid. how many of yall use a case and how many go with the top down?