The only drawback is that only what is immediately in front of the camera (or infinite distance if you invert the map) is in focus. You are unable to do a blur/sharp/blur and have no control over it as an artistic element. That's why I stuck with the premium settings when I needed one. In photoshop can you adjust the blur to greylevel gradient non-uniformly?

Pass no temptation lightly by, for one never knows when it may pass again!