Just google “scratched Droid X screen”.
Gorilla Glass is not scratch proof. Using keys and screws to scratch a screen is not a proper example of the limits of Gorilla Glass. First you will have to find a medium that is harder than the glass, which brass and grade 2 steal are not. Items that are harder than Gorilla Glass are very common and all around you. For example sand is harder, and it will destroy your screen. Chrome and even Nickel are harder, so even though the brass key won’t scratch the screen, a very tiny particle of the coating of the key could. Keys that are used in those tests are used and worn, if a freshly cut key were to touch that screen… SOL. Just one grain of sand stuck in the weave of your pocket liner, could make you live with an unsightly line down the entire length of the screen for the rest of that phones life (unless you polish it out).
If you don’t want to use a screen protector with your phone, then so be it. If you don’t want to use a case with your phone, then so be it. Just don’t go around telling people that there’s no need to use these protective items. The Droid X is made from an excellent design; case materials and the screen are all top of the line and selected or engineered to provide excellent protection. Even the shell of the case was designed for shock absorption, and the phone was touted as a “Go Naked” phone. This all does not mean that the phone is indestructible. Every video I watched on YouTube showed a DX with a scratched screen. There are countless people out there with scratched DX screens.
The screen protector I use is the Seidio Crystal Clear. All anti-fingerprint and anti-glare protectors will changed the appearance of the screen, as if it was frosted. The Seidio is just plain clear, and it doesn’t change anything. It isn’t as slippery as just the naked glass, but it isn’t sticky either. It protects the entire glass surface and not just the display. It is dry apply and re-installable, so even if you drop it during installation and it comes up with cat hair and pot stuck to it you can always wash it with soap and water, dry it out and re-install it. It’s cheap too, at 2 for $12 on Amazon.
It does suck getting a scratch on the screen protector, and yes it does scratch more easily than the glass would but that’s the point of the protector; to be the sacrificial barrier between the protected and what it’s being protected from..
You either take the risk or don’t.