Some people still wake up in the middle of the night with nightmares from the Gen 1 Nano, it's hard to get over...
Seriously though, if it was a flip case then it could provide some protection against hard impacts to the glass. I agree that its not worth putting a screen protector on it.
I am just going to get one of the silicon skins that wraps around the edges and back, just to provide some drop protection, but still keeps it thin.