The point is that you want to have a system that is responsive.

It is formatted, and I'm tired of using vi. I get really bored.

I think multiple levels of undo would be wonderful, too.

I just don't like to lose what's in the window.

Well, limbo is not a good place to be.

But no, I don't generally have trouble with spelling mistakes.

Most of the bright people don't work for you - no matter who you are.