I'm catching up on my reading, so coming late to this.

Many of us prefer estimation to significance testing, but the conventional 95% confidence limits are a sneaky way for significance testing to creep back in. This graphic is exactly what we need! I have from time to time mused why with modern computing and graphics power we do not have such a thing. Well, now we do.

SAS has been criticized in the past for inadequate graphics. Here's a chance really to shine. Please build it into PROC PLM. One simple option is all it takes.