Eye Dropper, Colour Palette and Adjustment Layers?

Hi guys,
I tend to need to change the colour of various items in images (usually because I want something in the image to be a corporate colour.
My old technique used to be something along this line:
Open image
Ensure the colour palette is visible
Convert to CMYK (or not)
Create curves or channel mixer adjustment layer
Eye dropper the image on a pixel I wanted to change
Manipulate the adjustment layer and watch the colour feedback from the colour palette
When the colour palette said rughly the right colour values--job done!
My problem is, whenever I eye dropper the image it tells me the current colour; but when I go back to manipulating the adjustment layer the colour palette nop longer gives me live colour value feedback like it used to in CS3. This change occured when the Adjustments Palette was introduced
This has been driving me crazy ever since CS4 came out (infact, I ignored CS4 because of it).
Is there anyway to restore live feedback???
Please, please, PLEASE help meeeeeeeeeeeee...! :'o/

Try something like this:
1. Make the curves adjustment layer
2. Click on the curve adjustment layer thumbnail in the layers panel
(not the layer mask, but the curve icon to the left of the layer mask)
3. Manually select the eyedrooper tool in the toolbox and ctrl click in the image to set the
point or points on the curve.
When you adjust the curve from inside the curves panel, you should be able to see the
changes in the color panel.
For the channel mixer, click on the channel mixer icon and then click inside the image with the eyedropper tool
and you should be able to see the changes in the color panel when you move the sliders.
MTSTUNER

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Eye Dropper, Colour Palette and Adjustment Layers?

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