I think at the very least, you should go with a skin guard... I think it isn't the worst thing in the world to leave your display as long as you wipe it down from time to time with a cloth. But if the body of the iPad gets scratched, you can't get it off, and that would really bother me.
With that said, you can have a lot of fun just picking out cases and such. There are so many companies that make unique, fun cases 🙂