P: A current and below option for the eye dropper?

Thanks Scott. You did a better job of saying what i was thinking...

Brett, turning off all layers isn't what's wanted; you might have pixel layers you want in tact.

It's the adjustment layers one wants off, because if one samples with them on above, then paints below, they get a double application of said adjustments.

If you have layers visible from above, the sample being made is a merged sample of everything visible regardless of where in your layer stack you sample. It is annoying when you have adjustment layers ABOVE the layer you need to paint on. Those adjustments do not accurately give you a sample of the data below the adjustments.
the alt key eyeball click turns off ALL the other eyeballs. I'd want it to turn ONLY the eyeballs off above the layer i am working on. Not below. then the sample wouldn't work (because all the eyeballs are off).

Sorry if this makes me sound like a rube, but if you have other layers visible above the current layer that you want to select a color from, how can you tell if you are sampling from the correct area, getting the correct color?

Just as a side tip for hiding all of those other layers and then making them visible again: Hold down the Alt (Option) key and click the eye/visibility icon in the layers panel. This will hide all other layers. You can then restore the visibility of these layers by again Alt (Option) clicking the eye again. This will also remember layers that were already hidden. So the second Alt (Option) click restores visibility to only those layers that it was already taken it away from. This causes a certain weakness in that if you change layer visibility after the first Alt (Option) click, you will lose the restoring behavior of the second Alt (Option) click.

Yes. It should be a 'sticky' preference.... for i hardly ever actually use the eye dropper tool. I usually option click while in the paintbrush tool.

Yes, and for Option sampling with the brush tool also.

I would appreciate this.
Thanks.......

YES! I want this!

Yes, I'd like it too!